{"id":3141,"date":"2025-11-12T09:00:00","date_gmt":"2025-11-12T09:00:00","guid":{"rendered":"https:\/\/sinobreaker.com\/?p=3141"},"modified":"2025-11-19T03:32:40","modified_gmt":"2025-11-19T03:32:40","slug":"installing-surge-protection-dc-nec-690-35-requirements-2025","status":"publish","type":"post","link":"https:\/\/sinobreaker.com\/ja\/installing-surge-protection-dc-nec-690-35-requirements-2025\/","title":{"rendered":"\u30b5\u30fc\u30b8\u4fdd\u8b77 DC \u306e\u8a2d\u7f6eNEC 690.35 \u8981\u4ef6 2025"},"content":{"rendered":"<p>\u30b5\u30fc\u30b8\u4fdd\u8b77 DC \u8a2d\u7f6e\u8981\u4ef6\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u6cd5\u4ee4\u306b\u6e96\u62e0\u3057\u305f\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\u306e\u4fdd\u8b77\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002 <a href=\"https:\/\/www.nfpa.org\/codes-and-standards\/all-codes-and-standards\/list-of-codes-and-standards\/detail?code=70\" target=\"_blank\" rel=\"noopener\">NEC 690<\/a>.35\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u3002\u3053\u306e\u5305\u62ec\u7684\u306a\u8a2d\u7f6e\u30ac\u30a4\u30c9\u3067\u306f\u3001SPD 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690.35\u306f\u3001SPD\u306e\u8a2d\u7f6e\u5834\u6240\u3001\u63a5\u7d9a\u65b9\u6cd5\u3001\u5207\u308a\u96e2\u3057\u624b\u6bb5\u3001\u304a\u3088\u3073\u5730\u7d61\u4fdd\u8b77\u306e\u7d71\u5408\u306b\u95a2\u3059\u308b\u5fc5\u9808\u8981\u4ef6\u3092\u5b9a\u3081\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u6e96\u62e0\u3057\u305f\u8a2d\u7f6e\u306b\u3088\u308a\u3001\u96fb\u6c17\u691c\u67fb\u8981\u4ef6\u3092\u6e80\u305f\u3057\u306a\u304c\u3089\u30b5\u30fc\u30b8\u306b\u3088\u308b\u640d\u50b7\u304b\u3089\u4fdd\u8b77\u3057\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u9045\u5ef6\u3084\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u518d\u8a2d\u7f6e\u4f5c\u696d\u3092\u9632\u304e\u307e\u3059\u3002\u307e\u305f\u3001\u9069\u5207\u306a\u8a2d\u7f6e\u6280\u8853\u306b\u3088\u308a\u300125\u5e74\u9593\u306e\u30b7\u30b9\u30c6\u30e0\u904b\u7528\u671f\u9593\u3092\u901a\u3058\u3066\u3001\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0\u306e\u6027\u80fd\u304c\u8a2d\u8a08\u4ed5\u69d8\u306b\u9069\u5408\u3059\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">NEC 690.35 \u30b5\u30fc\u30b8\u4fdd\u8b77\u8981\u4ef6<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">2023\u5e74NEC\u306b\u3088\u308bSPD\u8a2d\u7f6e\u7fa9\u52d9\u5316<\/h3>\n\n\n\n<p>NEC 690.35\uff082023\u5e74\u7248\uff09\u3067\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u7279\u5b9a\u306e\u514d\u9664\u57fa\u6e96\u3092\u6e80\u305f\u3055\u306a\u3044\u9650\u308a\u3001\u3059\u3079\u3066\u306e\u76f4\u6d41\u592a\u967d\u5149\u767a\u96fb\u306e\u30bd\u30fc\u30b9\u56de\u8def\u3068\u51fa\u529b\u56de\u8def\u306b\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\u3092\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u3092\u7fa9\u52d9\u4ed8\u3051\u3066\u3044\u308b\u3002\u3053\u308c\u306f\u3001\u30b5\u30fc\u30b8\u4fdd\u8b77\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u305f\u3082\u306e\u306e\u3001\u666e\u904d\u7684\u306b\u8981\u6c42\u3055\u308c\u3066\u3044\u305f\u308f\u3051\u3067\u306f\u306a\u304b\u3063\u305f\u65e7\u7248\u304b\u3089\u306e\u5927\u304d\u306a\u5909\u66f4\u3067\u3042\u308b\u3002\u3053\u306e\u5fc5\u9808\u8981\u4ef6\u306f\u3001\u96f7\u306b\u3088\u308b\u30b5\u30fc\u30b8\u640d\u50b7\u304cPV\u30b7\u30b9\u30c6\u30e0\u6545\u969c\u306e\u4e3b\u306a\u539f\u56e0\u3067\u3042\u308b\u3053\u3068\u3092\u8a8d\u8b58\u3057\u3001\u3059\u3079\u3066\u306e\u8a2d\u5099\u306b\u5bfe\u3059\u308b\u6700\u4f4e\u9650\u306e\u4fdd\u8b77\u57fa\u6e96\u3092\u5b9a\u3081\u308b\u3082\u306e\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p>\u5177\u4f53\u7684\u306a NEC 690.35 \u306e\u6587\u8a00\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3042\u308b\uff1a\u300cPV\u30b7\u30b9\u30c6\u30e0\u304c\u4ee5\u4e0b\u306e\u6761\u4ef6\u3092\u3059\u3079\u3066\u6e80\u305f\u3059\u5834\u5408\u3092\u9664\u304d\u3001\u76f4\u6d41PV\u96fb\u6e90\u56de\u8def\u304a\u3088\u3073PV\u51fa\u529b\u56de\u8def\u306b\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\u3092\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u3002\u307b\u3068\u3093\u3069\u306e\u5b9f\u7528\u7684\u306a\u8a2d\u5099\u306f\u3059\u3079\u3066\u306e\u514d\u9664\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u3001SPD\u306e\u8a2d\u7f6e\u306f\u57fa\u672c\u7684\u306b\u3059\u3079\u3066\u306e\u4f4f\u5b85\u7528\u3001\u5546\u696d\u7528\u3001\u304a\u3088\u3073\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30b9\u30b1\u30fc\u30eb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u514d\u9664\u57fa\u6e96<\/strong> (\u3059\u3079\u3066\u540c\u6642\u306b\u6e80\u305f\u3055\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\uff09\uff1a<br>- \u5730\u4e0a\u306e\u9583\u5149\u5bc6\u5ea6\u304c0.25\u767a\/km\u00b2\/\u5e74\u4ee5\u4e0b\u306e\u5730\u57df\u306b\u8a2d\u7f6e\u3055\u308c\u305fPV\u30b7\u30b9\u30c6\u30e0\uff08\u4eba\u53e3\u5bc6\u96c6\u5730\u3067\u306f\u6975\u3081\u3066\u7a00\uff09<br>- \u30b7\u30b9\u30c6\u30e0\u306f\u3001\u3059\u3079\u3066\u306ePV\u30bd\u30fc\u30b9\u304a\u3088\u3073\u51fa\u529b\u56de\u8def\u5c0e\u4f53\u3092\u56f2\u3080\u91d1\u5c5e\u88fd\u914d\u7dda\u7ba1\u3092\u4f7f\u7528<br>- \u30b7\u30b9\u30c6\u30e0\u306b\u306f\u3001\u3059\u3079\u3066\u306e\u5c0e\u4f53\u7528\u306b\u9069\u5207\u306b\u63a5\u7740\u3055\u308c\u305f\u91d1\u5c5e\u88fd\u30b1\u30fc\u30d6\u30eb\u30c8\u30ec\u30a4\u304c\u542b\u307e\u308c\u308b<br>- 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class=\"wp-block-heading\">\u5fc5\u8981\u306a\u8a2d\u7f6e\u5834\u6240<\/h3>\n\n\n\n<p>NEC 690.35(A)\u306f\u3001\u9069\u5207\u306a\u30b7\u30b9\u30c6\u30e0\u30dd\u30a4\u30f3\u30c8\u3067\u306e\u4fdd\u8b77\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u8a31\u5bb9\u53ef\u80fd\u306aSPD\u306e\u8a2d\u7f6e\u5834\u6240\u3092\u898f\u5b9a\u3057\u3066\u3044\u308b\u3002\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\u306f\u300c\u592a\u967d\u5149\u767a\u96fb\u51fa\u529b\u56de\u8def\u5c0e\u4f53\u4e0a\u300d\u306b\u8a2d\u7f6e\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u4e00\u822c\u7684\u306a\u9069\u5408\u8a2d\u7f6e\u5834\u6240\u306b\u306f\u3001\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u308b\uff1a<\/p>\n\n\n\n<p><strong>DC\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u307e\u305f\u306f\u30ea\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u51fa\u529b\u6642\uff1a<\/strong> \u30e1\u30a4\u30f3DC\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u306bSPD\u3092\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u524d\u306b\u3001\u3059\u3079\u3066\u306e\u30a2\u30ec\u30a4\u30b9\u30c8\u30ea\u30f3\u30b0\u304c\u96c6\u7d04\u3055\u308c\u308b\u96c6\u4e2d\u4fdd\u8b77\u304c\u53ef\u80fd\u306b\u306a\u308b\u3002\u3053\u306e\u4f4d\u7f6e\u306f\u3001\u8907\u6570\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u30b3\u30f3\u30d0\u30a4\u30ca\u304b\u3089\u4e2d\u592e\u53ce\u96c6\u30dd\u30a4\u30f3\u30c8\u306b\u7d66\u96fb\u3059\u308b\u5927\u898f\u6a21\u306a\u8a2d\u5099\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002SPD\u30921\u53f0\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001DC\u65ad\u8def\u5668\u3001\u76e3\u8996\u88c5\u7f6e\u3001\u30a4\u30f3\u30d0\u30fc\u30bfDC\u5165\u529b\u306a\u3069\u3001\u4e0b\u6d41\u306e\u3059\u3079\u3066\u306e\u6a5f\u5668\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u30a4\u30f3\u30d0\u30fc\u30bfDC\u5165\u529b\u7aef\u5b50\u306b\u3066\uff1a<\/strong> \u30a4\u30f3\u30d0\u30fc\u30bfDC\u7aef\u5b50\u306e\u76f4\u524d\u306bSPD\u3092\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u7d42\u7684\u306a\u6a5f\u5668\u30ec\u30d9\u30eb\u306e\u4fdd\u8b77\u304c\u5f97\u3089\u308c\u308b\u3002\u3053\u306e\u4f4d\u7f6e\u306f\u3001\u4e2d\u9593\u30b3\u30f3\u30d0\u30a4\u30ca\u3092\u4f7f\u7528\u305b\u305a\u306b\u30a4\u30f3\u30d0\u30fc\u30bf\u306b\u76f4\u63a5\u63a5\u7d9a\u3059\u308b\u30b9\u30c8\u30ea\u30f3\u30b0\u6570\u304c\u5c11\u306a\u3044\u5c0f\u898f\u6a21\u306a\u8a2d\u5099\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u4fdd\u8b77\u3055\u308c\u305f\u6a5f\u5668\u306b\u8fd1\u63a5\u3059\u308b\u3053\u3068\u3067\u3001\u4fdd\u8b77\u3055\u308c\u3066\u3044\u306a\u3044\u5c0e\u7dda\u306e\u9577\u3055\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001SPD\u3068\u611f\u5ea6\u306e\u9ad8\u3044\u30a4\u30f3\u30d0\u30fc\u30bf\u96fb\u5b50\u6a5f\u5668\u9593\u306e\u8a98\u5c0e\u30b5\u30fc\u30b8\u7d50\u5408\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u30de\u30eb\u30c1\u30dd\u30a4\u30f3\u30c8\u8a2d\u7f6e\uff1a<\/strong> \u5927\u898f\u6a21\u306a\u8a2d\u5099\u3067\u306f\u3001\u8907\u6570\u306e\u5834\u6240\u306bSPD\u3092\u8a2d\u7f6e\u3057\u3001\u591a\u91cd\u9632\u5fa1\u3092\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u308b\u3002\u4e00\u822c\u7684\u306a\u69cb\u6210\u3067\u306f\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u51fa\u529b\u306eSPD\u306b\u52a0\u3048\u3001\u4e2d\u592e\u306e\u30ea\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u307e\u305f\u306f\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u5165\u529b\u306b\u8ffd\u52a0\u306eSPD\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u8abf\u6574\u3055\u308c\u305f\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u500b\u3005\u306eSPD\u304c\u6545\u969c\u3057\u305f\u5834\u5408\u306b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u306a\u304c\u3089\u3001\u8907\u6570\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u30b5\u30fc\u30b8\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u5206\u6563\u3055\u305b\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u8a2d\u7f6e\u5834\u6240<\/th><th class=\"has-text-align-center\" data-align=\"center\">NEC\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u30fb\u30b9\u30c6\u30fc\u30bf\u30b9<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u4fdd\u8b77\u52b9\u679c<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u4ee3\u8868\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/th><\/tr><\/thead><tbody><tr><td><strong>\u30e1\u30a4\u30f3DC\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u51fa\u529b<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">690.35(A)\u306b\u6e96\u62e0\u3059\u308b\u3002<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u826f\u597d - \u4e2d\u592e\u4fdd\u8b77\u30dd\u30a4\u30f3\u30c8<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5546\u752850\uff5e500kW\u30b7\u30b9\u30c6\u30e0<\/td><\/tr><tr><td><strong>\u30a4\u30f3\u30d0\u30fc\u30bf\u30fcDC\u5165\u529b<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">690.35(A)\u306b\u6e96\u62e0\u3059\u308b\u3002<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u30a8\u30af\u30bb\u30ec\u30f3\u30c8 - \u8a2d\u5099\u30ec\u30d9\u30eb<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u4f4f\u5b85\u75283\uff5e10kW\u30b7\u30b9\u30c6\u30e0<\/td><\/tr><tr><td><strong>\u30a2\u30ec\u30a4\u30b8\u30e3\u30f3\u30af\u30b7\u30e7\u30f3\u30dc\u30c3\u30af\u30b9<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u51fa\u529b\u56de\u8def\u4e0a\u306e\u5834\u5408\u306f \u2705 \u6e96\u62e0<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u4e2d\u7a0b\u5ea6 - \u30a2\u30ec\u30a4\u30ec\u30d9\u30eb<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5730\u4e0a\u8a2d\u7f6e\u578b\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30fb\u30b9\u30b1\u30fc\u30eb<\/td><\/tr><tr><td><strong>\u500b\u5225\u30b9\u30c8\u30ea\u30f3\u30b0\u30fb\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2705 \u51fa\u529b\u56de\u8def\u304c\u9069\u5408\u3057\u3066\u3044\u308b\u5834\u5408<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u975e\u5e38\u306b\u826f\u3044 - \u5206\u6563\u578b<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5927\u578b\u5546\u7528500kW\u4ee5\u4e0a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u91cd\u8981\u306a\u6d1e\u5bdf\uff1a<\/strong> NEC 690.35\u3067\u306f\u3001PV\u51fa\u529b\u56de\u8def\u306b\u6cbf\u3063\u305f\u3055\u307e\u3056\u307e\u306a\u5834\u6240\u3078\u306eSPD\u8a2d\u7f6e\u304c\u8a8d\u3081\u3089\u308c\u3066\u3044\u308b\u3002\u8a2d\u7f6e\u5834\u6240\u306f\u3001\u6cd5\u4ee4\u9806\u5b88\u3001\u4fdd\u8b77\u52b9\u679c\u3001\u8a2d\u7f6e\u306e\u5b9f\u7528\u6027\u3001\u30b3\u30b9\u30c8\u306e\u6700\u9069\u5316\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u8003\u616e\u3057\u3066\u9078\u629e\u3059\u308b\u3002\u8a2d\u7f6e\u5834\u6240\u3092\u96fb\u6c17\u56f3\u9762\u3084\u7ae3\u5de5\u56f3\u66f8\u306b\u8a18\u9332\u3057\u3001\u6700\u7d42\u5be9\u67fb\u6642\u306b\u691c\u67fb\u54e1\u304c\u9069\u5408\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/sinobreaker.com\/wp-content\/uploads\/2025\/10\/temp_diagram_1-168.webp\" alt=\"\u30b5\u30fc\u30b8\u4fdd\u8b77DC\u306e\u8a2d\u7f6eNEC 690.35 \u8981\u4ef6 2025 - \u30d7\u30ed\u30bb\u30b9\u30d5\u30ed\u30fc\u56f3\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">SPD\u306e\u6b63\u3057\u3044\u88c5\u7740\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">DIN\u30ec\u30fc\u30eb\u8a2d\u7f6e\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u6700\u65b0\u306eDC\u30b5\u30fc\u30b8\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306e\u307b\u3068\u3093\u3069\u306f\u3001IEC 60715\u4ed5\u69d8\u306b\u6e96\u62e0\u3057\u305f\u6a19\u6e9635mm DIN\u30ec\u30fc\u30eb\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u308b\u305f\u3081\u3001\u8a2d\u7f6e\u304c\u7c21\u5358\u3067\u4ea4\u63db\u3082\u5bb9\u6613\u3067\u3059\u3002DIN\u30ec\u30fc\u30eb\u53d6\u4ed8\u3051\u306f\u3001\u8010\u632f\u52d5\u6027\u3001\u9069\u5207\u306a\u71b1\u7ba1\u7406\u3001\u304a\u3088\u3073\u70b9\u691c\u3068\u4fdd\u5b88\u3092\u5bb9\u6613\u306b\u3059\u308b\u6574\u7406\u3055\u308c\u305f\u7b50\u4f53\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002DIN\u30ec\u30fc\u30eb\u3078\u306e\u9069\u5207\u306a\u53d6\u4ed8\u3051\u306b\u306f\u3001\u53d6\u4ed8\u3051\u30af\u30ea\u30c3\u30d7\u306e\u4fc2\u5408\u3001\u30ec\u30fc\u30eb\u8ca0\u8377\u5bb9\u91cf\u3001\u304a\u3088\u3073\u96a3\u63a5\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u9593\u306e\u9069\u5207\u306a\u9593\u9694\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>DIN\u30ec\u30fc\u30eb\u3078\u306e\u53d6\u308a\u4ed8\u3051\u624b\u9806<\/strong><\/p>\n\n\n\n<p>1. <strong>\u30ec\u30fc\u30eb\u306e\u8a2d\u7f6e\u3092\u78ba\u8a8d\u3059\u308b<\/strong>:DIN\u30ec\u30fc\u30eb\u306f\u3001\u6700\u5927250mm\u306e\u9593\u9694\u3067\u9069\u5207\u306a\u7559\u3081\u5177\uff08M4\u307e\u305f\u306fM5\u30cd\u30b8\u304c\u4e00\u822c\u7684\uff09\u3092\u4f7f\u7528\u3057\u3066\u30d0\u30c3\u30af\u30d1\u30cd\u30eb\u306b\u3057\u3063\u304b\u308a\u3068\u53d6\u308a\u4ed8\u3051\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u8377\u91cd\u3067\u30ec\u30fc\u30eb\u304c\u305f\u308f\u307e\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30ec\u30fc\u30eb\u304c\u50be\u3044\u3066\u3044\u308b\u3068\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u6ed1\u3063\u3066\u63a5\u7d9a\u4e0d\u826f\u3092\u8d77\u3053\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>2. <strong>SPD\u53d6\u308a\u4ed8\u3051\u306e\u6e96\u5099<\/strong>:SPD \u306e\u30ea\u30a2\u30fb\u30de\u30a6\u30f3\u30c8\u30fb\u30af\u30ea\u30c3\u30d7\u3092\u6301\u3061\u4e0a\u3052\u3066\u958b\u304d\u3001\u30c7\u30d0\u30a4\u30b9\u3092\u30ec\u30fc\u30eb\u306b\u30b9\u30e9\u30a4 \u30c9\u3055\u305b\u307e\u3059\u3002\u30af\u30ea\u30c3\u30d7\u306b\u640d\u50b7\u3084\u5909\u5f62\u304c\u3042\u308a\u3001\u78ba\u5b9f\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u306a\u3044\u53ef\u80fd\u6027\u304c\u306a\u3044\u304b\u70b9\u691c\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u90e8\u306e\u88c5\u7f6e\u306b\u306f\u53d6\u308a\u5916\u3057\u53ef\u80fd\u306a\u53d6\u308a\u4ed8\u3051\u30af\u30ea\u30c3\u30d7\u304c\u3042\u308a\u307e\u3059\u3002\u30ec\u30fc\u30eb\u306b\u53d6\u308a\u4ed8\u3051\u308b\u524d\u306b\u3001\u30af\u30ea\u30c3\u30d7\u304c\u6b63\u3057\u304f\u53d6\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p>3. <strong>\u30c8\u30c3\u30d7\u30ec\u30fc\u30eb\u306e\u30a8\u30c3\u30b8<\/strong>:SPD\u53d6\u308a\u4ed8\u3051\u30af\u30ea\u30c3\u30d7\u306e\u4e0a\u90e8\u3092DIN\u30ec\u30fc\u30eb\u306e\u524d\u7aef\u306b\u5f15\u3063\u639b\u3051\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u5e45\u3092\u5b8c\u5168\u306b\u304b\u307f\u5408\u308f\u305b\u307e\u3059\u3002\u30c7\u30d0\u30a4\u30b9\u304c\u90e8\u5206\u7684\u306b\u565b\u307f\u5408\u3063\u3066\u3044\u308b\u3068\u3001\u53d6\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u6a5f\u68b0\u7684\u306a\u5b89\u5168\u6027\u306b\u6b20\u3051\u3001\u53d6\u308a\u4ed8\u3051\u306b\u5931\u6557\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>4. <strong>\u30b9\u30ca\u30c3\u30d7\u30dc\u30c8\u30e0\u30af\u30ea\u30c3\u30d7<\/strong>:SPD\u30cf\u30a6\u30b8\u30f3\u30b0\u306e\u5e95\u9762\u53d6\u308a\u4ed8\u3051\u90e8\u4ed8\u8fd1\u3092\u300c\u30ab\u30c1\u30c3\u300d\u3068\u97f3\u304c\u3057\u3066\u53d6\u308a\u4ed8\u3051\u30af\u30ea\u30c3\u30d7\u304cDIN\u30ec\u30fc\u30eb\u5f8c\u90e8\u306e\u7aef\u306b\u306f\u307e\u308b\u307e\u3067\u3057\u3063\u304b\u308a\u3068\u62bc\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c7\u30d0\u30a4\u30b9\u3092\u30ec\u30fc\u30eb\u304b\u3089\u6301\u3061\u4e0a\u3052\u3066\u307f\u3066\u3001\u78ba\u5b9f\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p>5. <strong>\u30b9\u30da\u30fc\u30b7\u30f3\u30b0\u306e\u78ba\u8a8d<\/strong>:\u96a3\u63a5\u3059\u308bSPD\u9593\u306e\u9593\u9694\u306f\u3001\u30e1\u30fc\u30ab\u30fc\u306e\u4ed5\u69d8\u306b\u5f93\u3044\u6700\u5c0f\u9650\u306e\u9593\u9694\uff08\u901a\u5e3810\uff5e20mm\uff09\u3092\u4fdd\u3061\u3001\u5341\u5206\u306a\u63db\u6c17\u3092\u78ba\u4fdd\u3057\u3001\u71b1\u7684\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u3092\u9632\u6b62\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u904e\u71b1\u3057\u305fSPD\u306f\u30b5\u30fc\u30b8\u5bb9\u91cf\u304c\u4f4e\u4e0b\u3057\u3001\u5bff\u547d\u304c\u77ed\u304f\u306a\u308b\u3002.<\/p>\n\n\n\n<p>6. <strong>\u6a5f\u68b0\u7684\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30c6\u30b9\u30c8<\/strong>:\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u53d6\u308a\u4ed8\u3051\u305f\u5f8c\u3001\uff08\u30ea\u30ea\u30fc\u30b9\u3092\u4f5c\u52d5\u3055\u305b\u305a\u306b\uff09\u524d\u65b9\u306b\u5f15\u3063\u5f35\u3063\u3066\u5404 SPD \u3092\u53d6\u308a\u5916\u3059\u30d7\u30eb\u30c6\u30b9\u30c8\u3092\u884c\u3044\u307e\u3059\u3002\u9069\u5207\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u3092\u53d6\u308a\u5916\u3059\u306b\u306f\u3001\u610f\u56f3\u7684\u306b\u30ea\u30ea\u30fc\u30b9\u6a5f\u69cb\u3092\u64cd\u4f5c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d0\u30b9\u30d0\u30fc\u3068\u30bf\u30fc\u30df\u30ca\u30eb\u30d6\u30ed\u30c3\u30af\u306e\u7d71\u5408<\/h3>\n\n\n\n<p>\u5c02\u9580\u7684\u306a\u8a2d\u7f6e\u3067\u306f\u3001\u9069\u5207\u306a\u30b5\u30a4\u30ba\u306e\u7aef\u5b50\u53f0\u307e\u305f\u306f\u76f4\u63a5\u30d0\u30b9\u30d0\u30fc\u63a5\u7d9a\u3092\u4f7f\u7528\u3057\u3066\u3001SPD\u3092\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u307e\u305f\u306f\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u30d0\u30b9\u30d0\u30fc\u306b\u7d71\u5408\u3057\u307e\u3059\u3002\u7aef\u5b50\u53f0\u306e\u7d71\u5408\u306f\u3001\u6574\u7406\u3055\u308c\u305f\u5c0e\u4f53\u7ba1\u7406\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u7c21\u7d20\u5316\u3001\u304a\u3088\u3073\u30d7\u30ed\u306e\u54c1\u8cea\u57fa\u6e96\u3092\u6e80\u305f\u3059\u30af\u30ea\u30fc\u30f3\u306a\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u5916\u89b3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30d0\u30b9\u30d0\u30fc\u63a5\u7d9a\u306f\u3001\u6700\u5c0f\u306e\u63a5\u89e6\u62b5\u6297\u3068\u6700\u5927\u306e\u96fb\u6d41\u5bb9\u91cf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u7cbe\u5bc6\u306a\u7a74\u3042\u3051\u3068\u30ab\u30b9\u30bf\u30e0\u52a0\u5de5\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u7aef\u5b50\u53f0\u7d71\u5408\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/p>\n\n\n\n<p>- \u30b7\u30b9\u30c6\u30e0 DC \u96fb\u5727\uff08600V\u30011000V\u3001\u307e\u305f\u306f 1500V\uff09\u306b\u9069\u5207\u306a\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30de\u30fc\u30b8\u30f3\u3092\u52a0\u3048\u305f\u5b9a\u683c\u306e\u7aef\u5b50\u53f0\u3092\u9078\u629e\u3059\u308b\u3002<br>- \u7aef\u5b50\u306e\u5b9a\u683c\u96fb\u6d41\u304c\u3001NEC690.8(B)(1)\u306b\u5f93\u3063\u3066125%\u306e\u6700\u5927DC\u96fb\u6d41\u3092\u8d85\u3048\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<br>- \u5c0e\u4f53\u7aef\u306b\u5727\u7e2e\u7aef\u5b50\u3092\u4f7f\u7528\u3057\u3001\u9178\u5316\u3092\u9632\u3050\u6c17\u5bc6\u63a5\u7d9a\u3092\u78ba\u4fdd\u3059\u308b\u3002<br>- \u7aef\u5b50\u3092\u8ad6\u7406\u7684\u306a\u9806\u5e8f\uff08\u30d7\u30e9\u30b9\u5c0e\u4f53\u3001SPD\u5165\u529b\u3001SPD\u51fa\u529b\u3001\u30de\u30a4\u30ca\u30b9\u5c0e\u4f53\uff09\u306b\u4e26\u3079\u3001\u56de\u8def\u30c8\u30ec\u30fc\u30b9\u3092\u7c21\u7d20\u5316<br>- \u6c38\u4e45\u30de\u30fc\u30ab\u30fc\u307e\u305f\u306f\u30e9\u30d9\u30ea\u30f3\u30b0\u30de\u30b7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u56de\u8def\u6a5f\u80fd\u3092\u8b58\u5225\u3059\u308b\u7aef\u5b50\u53f0\u306b\u30e9\u30d9\u30eb\u3092\u8cbc\u308b\u3002<\/p>\n\n\n\n<p><strong>\u30d0\u30b9\u30d0\u30fc\u3092\u76f4\u63a5\u63a5\u7d9a\u3059\u308b\u624b\u9806\uff1a<\/strong><\/p>\n\n\n\n<p>SPD\u3092\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u3084\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u306e\u30e1\u30a4\u30f3\u30fb\u30d0\u30b9\u30d0\u30fc\u306b\u76f4\u63a5\u53d6\u308a\u4ed8\u3051\u308b\u306b\u306f\u3001\u614e\u91cd\u306a\u6e2c\u5b9a\u3001\u7a74\u3042\u3051\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u9078\u629e\u304c\u5fc5\u8981\u3067\u3059\u3002\u30d0\u30b9\u30d0\u30fc\u63a5\u7d9a\u306f\u3001SPD\u306e\u5fdc\u7b54\u6642\u9593\u3068\u30af\u30e9\u30f3\u30d7\u52b9\u679c\u3092\u6700\u9069\u5316\u3059\u308b\u6700\u3082\u4f4e\u3044\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u7d4c\u8def\u3092\u63d0\u4f9b\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u3053\u306e\u8a2d\u7f6e\u65b9\u6cd5\u306b\u306f\u7cbe\u5bc6\u306a\u52a0\u5de5\u3068\u9069\u5207\u306a\u6a5f\u68b0\u7684\/\u96fb\u6c17\u7684\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p>SPD\u7aef\u5b50\u4e2d\u5fc3\u9593\u306e\u8ddd\u96e2\u3092\u6e2c\u5b9a\u3059\u308b\uff082\u6975\u30c7\u30d0\u30a4\u30b9\u306e\u5834\u5408\u3001\u6a19\u6e96\u7684\u306a\u9593\u9694\u306f28\uff5e38mm\uff09\u3002\u30d0\u30cd\u5f0f\u30bb\u30f3\u30bf\u30fc\u30dd\u30f3\u30c1\u3067\u30c9\u30ea\u30eb\u4f4d\u7f6e\u306b\u5370\u3092\u3064\u3051\u3001\u6e2c\u5b9a\u5024\u3092\u30d0\u30b9\u30d0\u30fc\u306b\u8ee2\u9001\u3057\u307e\u3059\u3002\u92ed\u5229\u306a\u30c9\u30ea\u30eb\u30d3\u30c3\u30c8\u3068\u5207\u524a\u6db2\u3092\u4f7f\u3063\u3066\u9069\u5207\u306a\u76f4\u5f84\u306e\u7a74\uff08\u901a\u5e386\uff5e8mm\uff09\u3092\u958b\u3051\u3001\u30d0\u30ea\u3092\u9632\u304e\u3001\u30d0\u30b9\u30d0\u30fc\u306e\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u3002\u30ab\u30a6\u30f3\u30bf\u30fc\u30b7\u30f3\u30af\u307e\u305f\u306f\u30d0\u30ea\u53d6\u308a\u5de5\u5177\u3092\u4f7f\u7528\u3057\u3066\u7a74\u3092\u30d0\u30ea\u53d6\u308a\u3057\u3001\u6ed1\u3089\u304b\u306a\u30a8\u30c3\u30b8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb\u88fd\u30de\u30b7\u30f3\u30b9\u30af\u30ea\u30e5\u30fc\u3001\u30b9\u30d7\u30ea\u30c3\u30c8\u30ed\u30c3\u30af\u30ef\u30c3\u30b7\u30e3\u30fc\u3001\u30d5\u30e9\u30c3\u30c8\u30ef\u30c3\u30b7\u30e3\u30fc\u3092\u4f7f\u7528\u3057\u3066SPD\u3092\u53d6\u308a\u4ed8\u3051\u3001\u6a5f\u68b0\u7684\u304a\u3088\u3073\u96fb\u6c17\u7684\u306a\u63a5\u7d9a\u3092\u78ba\u5b9f\u306b\u3057\u307e\u3059\u3002\u6821\u6b63\u3055\u308c\u305f\u30c8\u30eb\u30af\u30ec\u30f3\u30c1\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u3092\u30e1\u30fc\u30ab\u30fc\u4ed5\u69d8\u306e\u30c8\u30eb\u30af\uff08\u901a\u5e38\u3001M6\u306e\u5834\u5408\u306f4\uff5e6N\u22c5m\u3001M8\u306e\u5834\u5408\u306f8\uff5e12N\u22c5m\uff09\u3067\u7de0\u3081\u3066\u304f\u3060\u3055\u3044\u3002\u30c8\u30eb\u30af\u4e0d\u8db3\u306e\u63a5\u7d9a\u306f\u63a5\u89e6\u62b5\u6297\u304c\u9ad8\u304f\u306a\u308a\u3001\u767a\u71b1\u3068\u6700\u7d42\u7684\u306a\u6545\u969c\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002\u904e\u5ea6\u306e\u30c8\u30eb\u30af\u3067\u63a5\u7d9a\u3059\u308b\u3068\u3001SPD\u7aef\u5b50\u304c\u640d\u50b7\u3057\u305f\u308a\u3001\u5185\u90e8\u306e\u4fdd\u8b77\u30a8\u30ec\u30e1\u30f3\u30c8\u304c\u62bc\u3057\u3064\u3076\u3055\u308c\u305f\u308a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u63a5\u5730\u96fb\u6975\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u7f6e<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">NEC \u7b2c250\u6761 \u63a5\u5730\u8981\u4ef6<\/h3>\n\n\n\n<p>\u30b5\u30fc\u30b8\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306e\u63a5\u5730\u63a5\u7d9a\u306f\u3001\u3059\u3079\u3066\u306e\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306b\u5171\u901a\u306e\u57fa\u6e96\u70b9\u3092\u78ba\u7acb\u3059\u308b NEC \u7b2c 250 \u6761\u306e\u8981\u4ef6\u306b\u5f93\u3063\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u63a5\u5730\u96fb\u6975\u3067\u7d42\u7aef\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u63a5\u5730\u96fb\u6975\u30b7\u30b9\u30c6\u30e0\u306e\u54c1\u8cea\u306f\u3001SPD \u306e\u6709\u52b9\u6027\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002\u63a5\u5730\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u9ad8\u3044\u3068\u3001\u9069\u5207\u306a\u5b9a\u683c\u306e SPD \u3067\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30b5\u30fc\u30b8\u5206\u6d41\u6642\u306b\u8ffd\u52a0\u306e\u96fb\u5727\u964d\u4e0b\u304c\u767a\u751f\u3057\u3001\u7d76\u7e01\u5b9a\u683c\u3092\u8d85\u3048\u308b\u96fb\u5727\u304c\u4fdd\u8b77\u6a5f\u5668\u306b\u5370\u52a0\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>NEC250.52\u306f\u3001SPD\u306e\u63a5\u5730\u306b\u9069\u3057\u305f\u3044\u304f\u3064\u304b\u306e\u96fb\u6975\u30bf\u30a4\u30d7\u3092\u8a8d\u3081\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n<p><strong>\u91d1\u5c5e\u88fd\u5730\u4e0b\u6c34\u9053\u7ba1<\/strong> (250.52(A)(1)):(250.52(a)(1)\uff1a\u5229\u7528\u53ef\u80fd\u306a\u5834\u5408\u3001\u91d1\u5c5e\u88fd\u6c34\u9053\u7ba1\u3078\u306e\u63a5\u7d9a\u306f\u3001\u4f4e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u63a5\u5730\u57fa\u6e96\u3092\u63d0\u4f9b\u3059\u308b\u3002\u305f\u3060\u3057\u3001\u6c34\u9053\u7ba1\u3060\u3051\u3067\u306f\u3001250.53(D)(2)\u306b\u5f93\u3063\u3066\u8981\u6c42\u3055\u308c\u308b\u88dc\u8db3\u96fb\u6975\u3092\u6e80\u305f\u3059\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002\u76f4\u63a5\u57cb\u8a2d\u7528\u306b\u30ea\u30b9\u30c8\u3055\u308c\u305f\u63a5\u5730\u30af\u30e9\u30f3\u30d7\u3092\u4f7f\u7528\u3057\u3066\u3001\u5efa\u7269\u3078\u306e\u6c34\u9053\u7ba1\u5165\u53e3\u304b\u30891.5\u30e1\u30fc\u30c8\u30eb\u4ee5\u5185\u306b\u63a5\u7d9a\u3059\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u5efa\u7bc9\u9244\u9aa8\u69cb\u9020<\/strong> (250.52(A)(2)):(250.52(a))\uff1a\u30b3\u30f3\u30af\u30ea\u30fc\u30c8\u3067\u8986\u308f\u308c\u305f\u57fa\u790e\u9244\u7b4b\u307e\u305f\u306f\u5927\u5730\u63a5\u89e6\u306b\u3088\u3063\u3066\u52b9\u679c\u7684\u306b\u63a5\u5730\u3055\u308c\u305f\u69cb\u9020\u7528\u92fc\u306f\u3001\u512a\u308c\u305f\u96fb\u6975\u3068\u306a\u308b\u3002\u3053\u306e\u96fb\u6975\u30bf\u30a4\u30d7\u306f\u3001\u8a2d\u7f6e\u4e2d\u306b\u57fa\u790e\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u65b0\u7bc9\u306b\u9069\u3057\u3066\u3044\u308b\u3002\u6700\u4f4e 6 \u30e1\u30fc\u30c8\u30eb\u306e\u9244\u7b4b\u307e\u305f\u306f\u69cb\u9020\u7528\u92fc\u6750\u304c\u3001\u898f\u683c\u8981\u4ef6\u3092\u6e80\u305f\u3059\u5927\u5730\u63a5 \u89e6\u3092\u7dad\u6301\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3002.<\/p>\n\n\n\n<p><strong>\u30a2\u30fc\u30b9\u68d2\u307e\u305f\u306f\u30d1\u30a4\u30d7<\/strong> (250.52(A)(5)):\u9285\u88ab\u8986\u92fc\u307e\u305f\u306f\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u63a5\u5730\u68d2\u3092\u5fc5\u8981\u306a\u6df1\u3055\u307e\u3067\u6700\u4f4e2.4\u30e1\u30fc\u30c8\u30eb\u6253\u3061\u8fbc\u3080\u3053\u3068\u3067\u3001\u4ed6\u306e\u30bf\u30a4\u30d7\u306e\u63a5\u5730\u68d2\u304c\u4f7f\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u4fe1\u983c\u3067\u304d\u308b\u96fb\u6975\u3092\u63d0\u4f9b\u3059\u308b\u3002\u4e00\u672c\u306e\u68d2\u3067\u306f\u3001250.53(A)(2)\u3067\u8981\u6c42\u3055\u308c\u308b&lt;25\u03a9\u306e\u62b5\u6297\u3092\u9054\u6210\u3059\u308b\u3053\u3068\u306f\u7a00\u3067\u3042\u308a\u3001\u6700\u521d\u306e\u68d2\u304b\u3089\u6700\u4f4e1.8\u30e1\u30fc\u30c8\u30eb\u306e\u9593\u9694\u3092\u3042\u3051\u3066\u4e8c\u672c\u76ee\u306e\u68d2\u3092\u8a2d\u7f6e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u9069\u5408\u3092\u691c\u8a3c\u3059\u308b\u96fb\u4f4d\u964d\u4e0b\u6cd5\u3092\u7528\u3044\u3066\u62b5\u6297\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3002. <strong>\u30b0\u30e9\u30a6\u30f3\u30c9\u30fb\u30ea\u30f3\u30b0<\/strong> (250.52(A)(4)):\u6700\u4f4e6AWG\u306e\u88f8\u9285\u5c0e\u4f53\u304c\u3001\u5efa\u7269\u3092\u53d6\u308a\u56f2\u3080\u3088\u3046\u306b\u3001\u6700\u4f4e750mm\u5730\u4e0b\u306b\u57cb\u8a2d\u3055\u308c\u3001\u6700\u4f4e6m\u5927\u5730\u3068\u63a5\u89e6\u3059\u308b\u3053\u3068\u3067\u3001\u5927\u898f\u6a21\u306a\u8a2d\u5099\u306b\u52b9\u679c\u7684\u306a\u96fb\u6975\u3068\u306a\u308b\u3002\u63a5\u5730\u30ea\u30f3\u30b0\u306e\u8a2d\u7f6e\u306f\u3001\u4e00\u70b9\u63a5\u5730\u304c\u5b9f\u7528\u7684\u3067\u306a\u3044\u3053\u3068\u304c\u5224\u660e\u3057\u3066\u3044\u308b\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u898f\u6a21\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u9069\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a2\u30fc\u30b9\u5c0e\u4f53\u8a2d\u7f6e\u57fa\u6e96<\/h3>\n\n\n\n<p>NEC 690.35(D)\u3067\u306f\u3001SPD\u306e\u63a5\u5730\u5c0e\u4f53\u306f\u3001\u9ad8\u5468\u6ce2\u30b5\u30fc\u30b8\u5206\u6d41\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u5c0e\u4f53\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u3092\u6700\u5c0f\u5316\u3059\u308b\u305f\u3081\u3001\u300c\u53ef\u80fd\u306a\u9650\u308a\u77ed\u304f\u3001\u307e\u3063\u3059\u3050\u300d\u3067\u3042\u308b\u3053\u3068\u3092\u8981\u6c42\u3057\u3066\u3044\u308b\u3002\u5c0e\u4f53\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u306f\u3001\u96fb\u6d41\u306e\u5909\u5316\u7387\u306b\u6bd4\u4f8b\u3057\u305f\u96fb\u5727\u964d\u4e0b\u3092\u767a\u751f\u3055\u305b\u3001\u9ad8\u901f\u3067\u4e0a\u6607\u3059\u308b\u30b5\u30fc\u30b8\u767a\u751f\u6642\u306b\u306f\u3001\u77ed\u3044\u63a5\u5730\u30ea\u30fc\u30c9\u7dda\u3067\u3082\u6570\u5343\u30dc\u30eb\u30c8\u306e\u96fb\u5727\u964d\u4e0b\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u63a5\u5730\u5c0e\u4f53\u306e\u30b5\u30a4\u30ba\u8981\u4ef6\uff1a<\/strong><\/p>\n\n\n\n<p>NEC\u8868250.66\u306f\u3001\u6a5f\u5668\u306b\u4f9b\u7d66\u3059\u308b\u6700\u5927\u306e\u5c0e\u4f53\u306b\u57fa\u3065\u3044\u3066\u6700\u5c0f\u63a5\u5730\u5c0e\u4f53\u30b5\u30a4\u30ba\u3092\u5b9a\u3081\u3066\u3044\u308b\u3002PV\u30b7\u30b9\u30c6\u30e0\u306e\u5834\u5408\u3001\u3053\u308c\u306fDC\u51fa\u529b\u56de\u8def\u306e\u5c0e\u4f53\u30b5\u30a4\u30ba\u3092\u53c2\u7167\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u30b5\u30fc\u30b8\u4fdd\u8b77\u7528\u9014\u3067\u306f\u3001\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u3068\u62b5\u6297\u3092\u4f4e\u6e1b\u3057\u3066SPD\u306e\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u3001\u6700\u5c0f\u306e\u898f\u683c\u8981\u4ef6\u3092\u8d85\u3048\u308b\u30b5\u30a4\u30ba\u306e\u63a5\u5730\u5c0e\u4f53\u304c\u6b63\u5f53\u5316\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002.<\/p>\n\n\n\n<p>- <strong>NEC\u306b\u3088\u308b\u6700\u5c0f\u5024<\/strong>\u51fa\u529b\u5c0e\u4f53\u304c\u22642 AWG\u306e\u30b7\u30b9\u30c6\u30e0\u75288 AWG\u9285\u7dda<br>- <strong>NEC\u306b\u3088\u308b\u6700\u5c0f\u5024<\/strong>\u51fa\u529b\u5c0e\u4f53\u304c1\/0\uff5e3\/0 AWG\u306e\u30b7\u30b9\u30c6\u30e0\u75286 AWG\u9285\u7dda<br>- <strong>\u63a8\u5968\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong>\u30b7\u30b9\u30c6\u30e0\u30b5\u30a4\u30ba\u306b\u95a2\u4fc2\u306a\u304f\u3001\u6700\u5c0f6 AWG\u9285<br>- <strong>\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong>:\u30b3\u30b9\u30c8\u3088\u308a\u3082\u4fdd\u8b77\u3092\u512a\u5148\u3059\u308b\u91cd\u8981\u306a\u8a2d\u5099\u7528\u306e4 AWG\u9285\u7dda<\/p>\n\n\n\n<p><strong>\u30b0\u30e9\u30a6\u30f3\u30c9\u5c0e\u4f53\u306e\u914d\u7dda\u6280\u8853\uff1a<\/strong><\/p>\n\n\n\n<p>SPD\u63a5\u5730\u7aef\u5b50\u304b\u3089\u63a5\u5730\u96fb\u6975\u63a5\u7d9a\u70b9\u307e\u3067\u3001\u53ef\u80fd\u306a\u9650\u308a\u6700\u77ed\u7d4c\u8def\u3067\u63a5\u5730\u5c0e\u4f53\u3092\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u3002\u4f59\u5206\u306a\u5c0e\u4f53\u9577\u3092\u5dfb\u304b\u306a\u3044\u3053\u3068-\u5dfb\u304b\u308c\u305f\u5c0e\u4f53\u306f\u3001\u307e\u3063\u3059\u3050\u306a\u5c0e\u4f53\u3068\u6bd4\u3079\u3066\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u304c\u5287\u7684\u306b\u5897\u52a0\u3057\u307e\u3059\u3002\u5c0e\u4f53\u306e\u9577\u30551\u30e1\u30fc\u30c8\u30eb\u3054\u3068\u306b\u3001\u4e00\u822c\u7684\u306a\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u306f1.5\u03bcH\u8ffd\u52a0\u3055\u308c\u3001\u30b5\u30fc\u30b8\u767a\u751f\u6642\u306b\u6bd4\u4f8b\u3057\u305f\u96fb\u5727\u964d\u4e0b\u304c\u751f\u3058\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u96fb\u78c1\u7d50\u5408\u3092\u9632\u3050\u305f\u3081\u3001\u63a5\u5730\u5c0e\u4f53\u306f\u96fb\u529b\u5c0e\u4f53\u3068\u306f\u5225\u306b\u914d\u7dda\u3059\u308b\u3002\u63a5\u5730\u5c0e\u4f53\u304c\u96fb\u529b\u5c0e\u4f53\u3068\u4ea4\u5dee\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u300190 \u5ea6\u306e\u4ea4\u5dee\u89d2\u5ea6\u3092\u7dad\u6301\u3057\u3001\u5e73\u884c\u914d\u7dda\u306e\u9577\u3055\u3092\u6700\u77ed\u306b\u3059\u308b\u3002\u9069\u5207\u306a\u30b1\u30fc\u30d6\u30eb\u30b5\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30011\u30e1\u30fc\u30c8\u30eb\u3054\u3068\u306b\u63a5\u5730\u5c0e\u4f53\u3092\u56fa\u5b9a\u3059\u308b\u3002.<\/p>\n\n\n\n<p>\u63a5\u5730\u5c0e\u4f53\u306e\u7d42\u7aef\u306f\u3001\u4f4e\u62b5\u6297\u3067\u8010\u8150\u98df\u6027\u306e\u63a5\u7d9a\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u7279\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u5c0e\u4f53\u30b5\u30a4\u30ba\u306b\u9069\u3057\u305f\u516d\u89d2\u30c0\u30a4\u30b9\u3067\u5727\u7740\u3055\u308c\u305f\u5727\u7e2e\u30e9\u30b0\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5927\u96fb\u6d41\u30b5\u30fc\u30b8\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u306f\u3093\u3060\u304c\u6eb6\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u63a5\u5730\u7aef\u5b50\u306b\u306f\u7d76\u5bfe\u306b\u306f\u3093\u3060\u3092\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u30e9\u30b0\u306f\u3001\u30e1\u30fc\u30ab\u30fc\u4ed5\u69d8\u306e\u30c8\u30eb\u30af\u3067\u7de0\u3081\u4ed8\u3051\u305f\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb\u88fd\u306e\u91d1\u5177\u3092\u4f7f\u7528\u3057\u3066\u3001SPD\u63a5\u5730\u7aef\u5b50\u306b\u63a5\u7d9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u30a2\u30fc\u30b9\u5c0e\u4f53\u306e\u9577\u3055<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u4ee3\u8868\u7684\u306a\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u96fb\u5727\u964d\u4e0b @ 10kA\/\u03bcs<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u5f71\u97ff\u8a55\u4fa1<\/th><\/tr><\/thead><tbody><tr><td><strong>150mm\uff086\u30a4\u30f3\u30c1\uff09<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">~225nH<\/td><td class=\"has-text-align-center\" data-align=\"center\">~2,250V<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u826f\u597d - \u6700\u5c0f\u9650\u306e\u5f71\u97ff<\/td><\/tr><tr><td><strong>300mm\uff0812\u30a4\u30f3\u30c1\uff09<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">~450nH<\/td><td class=\"has-text-align-center\" data-align=\"center\">~4,500V<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u26a0\ufe0f \u53ef - \u4e2d\u7a0b\u5ea6\u306e\u5f71\u97ff<\/td><\/tr><tr><td><strong>600mm\uff0824\u30a4\u30f3\u30c1\uff09<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">~900nH<\/td><td class=\"has-text-align-center\" data-align=\"center\">~9,000V<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u60aa\u3044 - \u5927\u304d\u306a\u5f71\u97ff<\/td><\/tr><tr><td><strong>1000mm\uff0840\u30a4\u30f3\u30c1\uff09<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">~1,500nH<\/td><td class=\"has-text-align-center\" data-align=\"center\">~15,000V<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u8a31\u5bb9\u3067\u304d\u306a\u3044 - \u91cd\u5927\u306a\u52a3\u5316<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u26a0\ufe0f \u91cd\u8981\uff1a<\/strong> \u63a5\u5730\u5c0e\u7dda\u306e\u9577\u3055\u304c\u9577\u3059\u304e\u308b\u3068\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u54c1\u8cea\u306b\u95a2\u4fc2\u306a\u304fSPD\u306e\u4fdd\u8b77\u52b9\u679c\u304c\u8457\u3057\u304f\u4f4e\u4e0b\u3057\u307e\u3059\u30021m \u306e\u63a5\u5730\u30ea\u30fc\u30c9\u3092\u6301\u3064\u9ad8\u7d1a\u306a 3000V VPL SPD \u306f\u3001\u4fdd\u8b77\u3055\u308c\u305f\u88c5\u7f6e\u3067 18,000V \u306e\u5408\u8a08\u96fb\u5727\uff083000V SPD \u30af\u30e9\u30f3\u30d4\u30f3\u30b0 + 15,000V \u63a5\u5730\u30ea\u30fc\u30c9\u964d\u4e0b\uff09\u3092\u8a31\u5bb9\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff01\u63a5\u5730\u5c0e\u7dda\u306e\u9577\u3055\u306f\u3001SPD\u5b9a\u683c\u306e\u9078\u629e\u3068\u540c\u7b49\u306e\u91cd\u8981\u306a\u4fdd\u8b77\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u3001\u5e38\u306b\u6700\u5c0f\u9650\u306b\u6291\u3048\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/sinobreaker.com\/wp-content\/uploads\/2025\/10\/temp_diagram_2-176.webp\" alt=\"\u30b5\u30fc\u30b8\u4fdd\u8b77DC\u306e\u8a2d\u7f6eNEC 690.35 \u8981\u4ef6 2025 - \u30d7\u30ed\u30bb\u30b9\u30d5\u30ed\u30fc\u56f3\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u76f4\u6d41\u56de\u8def\u306e\u5c0e\u4f53\u63a5\u7d9a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u63a5\u7d9a\u9806\u5e8f\u3068\u6975\u6027<\/h3>\n\n\n\n<p>2\u6975DC SPD\u306e\u9069\u5207\u306a\u63a5\u7d9a\u9806\u5e8f\u306f\u3001\u5076\u767a\u7684\u306a\u77ed\u7d61\u3084\u6a5f\u5668\u306e\u640d\u50b7\u3092\u9632\u3050\u5b89\u5168\u306a\u8a2d\u7f6e\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u76f4\u6d41\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u8a2d\u7f6e\u4e2d\u3082\u5b9f\u8cea\u7684\u306a\u96fb\u5727\u3092\u7dad\u6301\u3057\u307e\u3059\u3002\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u72b6\u614b\u306b\u95a2\u4fc2\u306a\u304f\u3001\u5149\u306b\u3055\u3089\u3055\u308c\u308b\u305f\u3073\u306b\u96fb\u5727\u3092\u767a\u751f\u3057\u307e\u3059\u3002\u6b63\u3057\u3044\u63a5\u7d9a\u9806\u5e8f\u306b\u5f93\u3044\u3001\u901a\u96fb\u524d\u306b\u6975\u6027\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u8a2d\u7f6e\u30df\u30b9\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u63a8\u5968\u3055\u308c\u308b\u63a5\u7d9a\u9806\u5e8f\uff08\u975e\u901a\u96fb\u307e\u305f\u306f\u30ab\u30d0\u30fc\u3055\u308c\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u60f3\u5b9a\uff09\uff1a<\/strong><\/p>\n\n\n\n<p>1. <strong>\u30bc\u30ed\u96fb\u5727\u306e\u78ba\u8a8d<\/strong>:\u30d7\u30e9\u30b9\u3068\u30de\u30a4\u30ca\u30b9\u306e\u5c0e\u4f53\u9593\u306e\u96fb\u5727\u3092\u6e2c\u5b9a\u3059\u308bDC\u96fb\u5727\u7bc4\u56f2\u306b\u5b9a\u683c\u3055\u308c\u305f\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u8aad\u307f\u53d6\u308a\u5024\u304c\u30bc\u30ed\u307e\u305f\u306f\u30bc\u30ed\u306b\u8fd1\u3044\u96fb\u5727\uff08\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9759\u96fb\u5bb9\u91cf\u304b\u30895V\u672a\u6e80\u6b8b\u7559\uff09\u3092\u793a\u3059\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u96fb\u5727\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306f\u3001\u5148\u306b\u9032\u3080\u524d\u306b\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3063\u3066\u539f\u56e0\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>2. <strong>SPD\u306e\u30a2\u30fc\u30b9\u3092\u6700\u521d\u306b\u63a5\u7d9a\u3059\u308b<\/strong>:\u96fb\u6e90\u7dda\u3092\u63a5\u7d9a\u3059\u308b\u524d\u306b\u3001\u5fc5\u305a\u63a5\u5730\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5f8c\u7d9a\u306e\u63a5\u7d9a\u4e2d\u306b\u969c\u5bb3\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u63a5\u5730\u7d4c\u8def\u304c\u78ba\u7acb\u3055\u308c\u3001\u6a5f\u5668\u306e\u640d\u50b7\u3084\u611f\u96fb\u306e\u5371\u967a\u3092\u9632\u6b62\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>3. <strong>\u30de\u30a4\u30ca\u30b9\uff08-\uff09\u5c0e\u4f53\u3092\u63a5\u7d9a\u3059\u308b<\/strong>:SPD\u306e\u30de\u30a4\u30ca\u30b9\u7aef\u5b50\u306bDC\u30de\u30a4\u30ca\u30b9\u5c0e\u7dda\u3092\u63a5\u7d9a\u3059\u308b\u3002\u591a\u304f\u306ePV\u30b7\u30b9\u30c6\u30e0\u69cb\u6210\u3067\u306f\u3001\u30de\u30a4\u30ca\u30b9\u5c0e\u4f53\u306f\u63a5\u5730\u5c0e\u4f53\u306b\u63a5\u7d9a\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3042\u308b\u305f\u3081\u3001\u6700\u521d\u306b\u63a5\u7d9a\u3057\u305f\u65b9\u304c\u5b89\u5168\u3067\u3042\u308a\u3001\u611f\u96fb\u306e\u5371\u967a\u6027\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>\n\n\n\n<p>4. <strong>\u30d7\u30e9\u30b9\uff08+\uff09\u5c0e\u4f53\u3092\u63a5\u7d9a\u3059\u308b<\/strong>:\u8ca0\u6975\u5c0e\u4f53\u304c\u78ba\u5b9f\u306b\u7d42\u7aef\u3057\u305f\u5f8c\u3001\u6b63\u6975\u5c0e\u4f53\u3092 SPD \u306e\u6b63\u6975\u7aef\u5b50\u306b\u53d6\u308a\u4ed8\u3051\u307e\u3059\u3002SPD\u30cf\u30a6\u30b8\u30f3\u30b0\u306e\u6975\u6027\u8868\u793a\u3092\u518d\u5ea6\u78ba\u8a8d\u3057\u3001\u30d7\u30e9\u30b9\u56de\u8def\u5c0e\u4f53\u304c\u300c+\u300d\u307e\u305f\u306f\u300cL+\u300d\u3068\u8868\u793a\u3055\u308c\u305f\u7aef\u5b50\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002.<\/p>\n\n\n\n<p>5. <strong>\u63a5\u7d9a\u306e\u78ba\u8a8d<\/strong>:\u3059\u3079\u3066\u306e\u7d42\u7aef\u3092\u691c\u67fb\u3057\u3001\u9069\u5207\u306a\u30c8\u30eb\u30af\u3001\u5c0e\u7dda\u306e\u633f\u5165\u6df1\u3055\u3001\u8ff7\u8d70\u649a\u308a\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u7d76\u7e01\u30df\u30e9\u30fc\u307e\u305f\u306f\u643a\u5e2f\u96fb\u8a71\u306e\u30ab\u30e1\u30e9\u3092\u4f7f\u7528\u3057\u3066\u7aef\u5b50\u53f0\u306e\u80cc\u9762\u3092\u691c\u67fb\u3057\u3001\u5c0e\u7dda\u304c\u7aef\u5b50\u6a5f\u69cb\u306b\u5b8c\u5168\u306b\u53ce\u307e\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002.<\/p>\n\n\n\n<p>6. <strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/strong>:SPD\u306e\u4f4d\u7f6e\u3001\u5c0e\u7dda\u306e\u5f15\u304d\u56de\u3057\u3001\u6975\u6027\u30de\u30fc\u30af\u3001\u30a2\u30fc\u30b9\u63a5\u7d9a\u306a\u3069\u3001\u53d6\u308a\u4ed8\u3051\u304c\u5b8c\u4e86\u3057\u305f\u3053\u3068\u3092\u793a\u3059\u5199\u771f\u3092\u64ae\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u6587\u66f8\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u70b9\u691c\u6642\u306b\u9069\u5207\u306a\u8a2d\u7f6e\u3067\u3042\u308b\u3053\u3068\u3092\u8a3c\u660e\u3057\u3001\u4eca\u5f8c\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u53c2\u8003\u3068\u306a\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7aef\u5b50\u306e\u30c8\u30eb\u30af\u8981\u4ef6<\/h3>\n\n\n\n<p>\u9069\u5207\u306a\u7aef\u5b50\u30c8\u30eb\u30af\u306f\u3001\u63a5\u7d9a\u306e\u4fe1\u983c\u6027\u3068SPD\u306e\u6027\u80fd\u306b\u76f4\u63a5\u5f71\u97ff\u3059\u308b\u91cd\u8981\u306a\u53d6\u308a\u4ed8\u3051\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3059\u3002\u30c8\u30eb\u30af\u4e0d\u8db3\u306e\u7aef\u5b50\u306f\u9ad8\u62b5\u6297\u306e\u63a5\u7d9a\u3068\u306a\u308a\u3001\u767a\u71b1\u3001\u96fb\u5727\u964d\u4e0b\u3001\u6700\u7d42\u7684\u306a\u6545\u969c\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002\u7aef\u5b50\u306e\u30c8\u30eb\u30af\u304c\u9ad8\u3059\u304e\u308b\u3068\u3001\u5c0e\u4f53\u7d20\u7dda\u304c\u640d\u50b7\u3057\u305f\u308a\u3001\u7aef\u5b50\u53f0\u306b\u4e80\u88c2\u304c\u5165\u3063\u305f\u308a\u3001SPD\u5185\u90e8\u306e\u90e8\u54c1\u304c\u62bc\u3057\u3064\u3076\u3055\u308c\u305f\u308a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>NEC 110.14(D)\u306f\u3001\u300c\u88fd\u9020\u8005\u306e\u6307\u793a\u306b\u5f93\u3063\u3066\u300d\u7aef\u5b50\u3092\u7de0\u3081\u4ed8\u3051\u308b\u3053\u3068\u3092\u8981\u6c42\u3057\u3066\u3044\u308b\u3002\u6307\u5b9a\u3055\u308c\u305f\u30c8\u30eb\u30af\u7bc4\u56f2\u306b\u9069\u3057\u305f\u6821\u6b63\u3055\u308c\u305f\u30c8\u30eb\u30af\u30fb\u30c9\u30e9\u30a4\u30d0\u30fc\u307e\u305f\u306f\u30c8\u30eb\u30af\u30fb\u30ec\u30f3\u30c1\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3002\u7d4c\u9a13\u8c4a\u5bcc\u306a\u96fb\u6c17\u6280\u8853\u8005\u3067\u3042\u3063\u3066\u3082\u3001\u5de5\u5177\u306a\u3057\u3067\u9069\u5207\u306a\u30c8\u30eb\u30af\u3092\u4e00\u8cab\u3057\u3066\u9054\u6210\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u300c\u611f\u899a\u300d\u3067\u30c8\u30eb\u30af\u3092\u898b\u7a4d\u3082\u3089\u306a\u3044\u3053\u3068\u3002.<\/p>\n\n\n\n<p><strong>\u4ee3\u8868\u7684\u306aSPD\u7aef\u5b50\u306e\u30c8\u30eb\u30af\u4ed5\u69d8\uff1a<\/strong><\/p>\n\n\n\n<p>- <strong>M3\u7aef\u5b50\u30cd\u30b8<\/strong>:0.5\uff5e0.6N\u30fbm\uff084.4\uff5e5.3\u30dd\u30f3\u30c9\u30fb\u30a4\u30f3\u30c1\uff09<br>- <strong>M3.5\u7aef\u5b50\u30cd\u30b8<\/strong>:0.8\uff5e1.0N\u30fbm\uff087.1\uff5e8.8\u30dd\u30f3\u30c9\u30fb\u30a4\u30f3\u30c1\uff09<br>- <strong>M4\u7aef\u5b50\u30cd\u30b8<\/strong>:1.2\uff5e1.5N\u30fbm\uff0810.6\uff5e13.3\u30dd\u30f3\u30c9\u30fb\u30a4\u30f3\u30c1\uff09<br>- <strong>M5\u7aef\u5b50\u30cd\u30b8<\/strong>2.5\uff5e3.0N\u30fbm\uff0822.1\uff5e26.5\u30dd\u30f3\u30c9\u30fb\u30a4\u30f3\u30c1\uff09<br>- <strong>M6\u7aef\u5b50\u30cd\u30b8<\/strong>:4.0\uff5e6.0N\u30fbm\uff0835.4\uff5e53.1\u30dd\u30f3\u30c9\u30fb\u30a4\u30f3\u30c1\uff09<\/p>\n\n\n\n<p>\u6700\u521d\u306e\u7de0\u3081\u4ed8\u3051\u306e\u5f8c\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u3092\u3055\u3089\u306b1\/8\u56de\u8ee2\u3055\u305b\u3066\u30c8\u30eb\u30af\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9069\u5207\u306a\u30c8\u30eb\u30af\u3067\u7de0\u3081\u4ed8\u3051\u3089\u308c\u305f\u63a5\u7d9a\u90e8\u306f\u3001\u5927\u304d\u306a\u529b\u3092\u52a0\u3048\u306a\u304f\u3066\u3082\u305d\u308c\u4ee5\u4e0a\u56de\u8ee2\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30da\u30a4\u30f3\u30c8\u30de\u30fc\u30ab\u30fc\u3084\u30c8\u30eb\u30af\u30b9\u30c8\u30e9\u30a4\u30d7\u3092\u4f7f\u7528\u3057\u3066\u30c8\u30eb\u30af\u3092\u304b\u3051\u305f\u63a5\u7d9a\u90e8\u306b\u5370\u3092\u3064\u3051\u308b\u3068\u3001\u632f\u52d5\u3084\u71b1\u30b5\u30a4\u30af\u30eb\u4e2d\u306b\u7de0\u7d50\u5177\u304c\u7de9\u3093\u3067\u3044\u306a\u3044\u3053\u3068\u3092\u691c\u67fb\u4e2d\u306b\u8996\u899a\u7684\u306b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30e1\u30fc\u30ab\u30fc\u306b\u3088\u3063\u3066\u306f\u30012 \u6bb5\u968e\u306e\u30c8\u30eb\u30af\u624b\u9806\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u6700\u521d\u306e\u7de0\u3081\u4ed8\u3051\u3092\u6307\u5b9a\u30c8\u30eb\u30af\u306e 50% \u3067\u884c\u3044\u3001\u5c0e\u4f53\u306e\u30b7\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u78ba\u8a8d\u3057\u305f\u5f8c\u3001\u6700\u5f8c\u306e\u7de0\u3081\u4ed8\u3051\u3092 100% \u4ed5\u69d8\u3067\u884c\u3044\u307e\u3059\u3002\u3053\u306e\u624b\u9806\u306b\u3088\u308a\u3001\u7aef\u5b50\u63a5\u89e6\u90e8\u5168\u4f53\u306b\u5747\u4e00\u306a\u5727\u529b\u5206\u5e03\u304c\u78ba\u4fdd\u3055\u308c\u3001\u7279\u306b\u5727\u529b\u3067\u5727\u7e2e\u3055\u308c\u308b\u7d30\u649a\u308a\u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u5c0e\u7dda\u306e\u63a5\u7d9a\u4fe1\u983c\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u63ee\u8005\u6e96\u5099\u57fa\u6e96<\/h3>\n\n\n\n<p>\u9069\u5207\u306a\u5c0e\u4f53\u306e\u6e96\u5099\u306f\u3001\u7d20\u7dda\u306e\u7a81\u51fa\u3001\u7d76\u7e01\u4f53\u306e\u640d\u50b7\u3001\u4e0d\u5341\u5206\u306a\u63a5\u89e6\u9762\u7a4d\u306a\u3069\u306e\u63a5\u7d9a\u554f\u984c\u3092\u9632\u3050\u3002SPD\u7aef\u5b50\u306b\u63a5\u7d9a\u3059\u308b\u5c0e\u4f53\u306f\u3001\u6b63\u78ba\u306a\u30b9\u30c8\u30ea\u30c3\u30d7\u9577\u3001\u304d\u308c\u3044\u306a\u5207\u65ad\u7aef\u3001\u304a\u3088\u3073\u7aef\u5b50\u8a2d\u8a08\u306b\u5408\u3063\u305f\u9069\u5207\u306a\u7d42\u7aef\u91d1\u5177\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u5c0e\u4f53\u5265\u96e2\u306e\u624b\u9806\uff1a<\/strong><\/p>\n\n\n\n<p>\u7aef\u5b50\u53f0\u306e\u4ed5\u69d8\u304b\u3089\u5fc5\u8981\u306a\u30b9\u30c8\u30ea\u30c3\u30d7\u306e\u9577\u3055\u3092\u6e2c\u5b9a\u3059\u308b\uff08\u901a\u5e38\u3001\u306d\u3058\u7aef\u5b50\u306f8\uff5e12mm\u3001\u30b9\u30d7\u30ea\u30f3\u30b0\u30b1\u30fc\u30b8\u7aef\u5b50\u306f10\uff5e14mm\uff09\u3002\u30de\u30fc\u30ab\u30fc\u307e\u305f\u306f\u89aa\u6307\u306e\u722a\u3092\u4f7f\u7528\u3057\u3066\u3001\u9069\u5207\u306a\u8ddd\u96e2\u3067\u5c0e\u4f53\u306e\u7d76\u7e01\u4f53\u306b\u5370\u3092\u4ed8\u3051\u307e\u3059\u3002\u5c0e\u4f53\u30b5\u30a4\u30ba\u306b\u5408\u308f\u305b\u3066\u8abf\u6574\u3057\u305f\u81ea\u52d5\u30ef\u30a4\u30e4\u30fc\u30b9\u30c8\u30ea\u30c3\u30d1\u30fc\u3092\u4f7f\u7528\u3057\u3066\u7d76\u7e01\u88ab\u8986\u3092\u5265\u304d\u307e\u3059\u3002\u5c0e\u4f53\u30b9\u30c8\u30e9\u30f3\u30c9\u3092\u640d\u50b7\u3057\u3001\u30b9\u30c8\u30ea\u30c3\u30d7\u9577\u306b\u4e00\u8cab\u6027\u304c\u306a\u304f\u306a\u308b\u624b\u52d5\u30ca\u30a4\u30d5\u30b9\u30c8\u30ea\u30c3\u30d7\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p>\u30b9\u30c8\u30ea\u30c3\u30d7\u3057\u305f\u5c0e\u7dda\u306b\u50b7\u304c\u306a\u3044\u304b\u3001\u7d76\u7e01\u4f53\u306e\u9664\u53bb\u304c\u4e0d\u5b8c\u5168\u3067\u306a\u3044\u304b\u3001\u30b9\u30c8\u30ea\u30c3\u30d7\u306e\u9577\u3055\u304c\u9577\u3059\u304e\u306a\u3044\u304b\u306a\u3069\u3092\u70b9\u691c\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u640d\u50b7\u306e\u3042\u308b\u5c0e\u4f53\u306f\u3001\u5225\u306e\u5834\u6240\u3067\u30b9\u30c8\u30ea\u30c3\u30d7\u3092\u3084\u308a\u76f4\u3057\u3001\u304d\u308c\u3044\u306a\u5c0e\u4f53\u7aef\u3092\u5f97\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u649a\u308a\u7dda\u5c0e\u4f53\u306e\u7aef\u3092\u6642\u8a08\u56de\u308a\uff08\u5c0e\u4f53\u7aef\u304b\u3089\u898b\u3066\uff09\u306b\u306d\u3058\u3063\u3066\u3001\u7d20\u7dda\u3092\u307e\u3068\u3081\u3001\u633f\u5165\u4e2d\u306e\u7d20\u7dda\u306e\u5206\u96e2\u3092\u9632\u3050\u3002.<\/p>\n\n\n\n<p>\u30cd\u30b8\u7aef\u5b50\u63a5\u7d9a\u306e\u5834\u5408\u3001\u5265\u304c\u3057\u305f\u5c0e\u7dda\u306e\u7aef\u3092\u3001\u7aef\u5b50\u306e\u30cd\u30b8\u306e\u65b9\u5411\u306b\u5408\u308f\u305b\u3066\u300c\u7f8a\u98fc\u3044\u306e\u304b\u304e\u578b\u300d\u306b\u66f2\u3052\u3001\u6642\u8a08\u56de\u308a\u306e\u30cd\u30b8\u306e\u56de\u8ee2\u3067\u5c0e\u7dda\u304c\u62bc\u3057\u51fa\u3055\u308c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u7aef\u5b50\u306b\u5f15\u304d\u8fbc\u307e\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u3002\u30d5\u30c3\u30af\u306f\u3001\u30cd\u30b8\u8ef8\u306e2\/3\u304b\u30893\/4\u3092\u5305\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5b8c\u5168\u306b\u5305\u307e\u306a\u3044\u3068\u63a5\u89e6\u9762\u7a4d\u304c\u4e0d\u8db3\u3057\u3001\u904e\u5ea6\u306b\u5305\u3080\u3068\u5c0e\u7dda\u304c\u91cd\u306a\u308a\u3001\u9069\u5207\u306a\u53d6\u308a\u4ed8\u3051\u304c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30b9\u30d7\u30ea\u30f3\u30b0\u30b1\u30fc\u30b8\u7aef\u5b50\u306b\u3088\u308a\u3001\u7d42\u7aef\u91d1\u5177\u304c\u4e0d\u8981\u306b\u306a\u308a\u3001\u53d6\u308a\u4ed8\u3051\u304c\u7c21\u5358\u306b\u306a\u308a\u307e\u3059\u3002\u5265\u304d\u51fa\u3057\u306e\u5c0e\u7dda\u3092\u3001\u5185\u90e8\u30d0\u30c3\u30af\u30b9\u30c8\u30c3\u30d7\u3067\u6b62\u307e\u308b\u307e\u3067\u7aef\u5b50\u958b\u53e3\u90e8\u306b\u633f\u5165\u3059\u308b\u3002\u6700\u5c0f\u633f\u5165\u6df1\u3055\uff08\u901a\u5e3810mm\uff09\u3092\u78ba\u8a8d\u3057\u3001\u7aef\u5b50\u30cf\u30a6\u30b8\u30f3\u30b0\u306e\u5916\u5074\u306b\u88f8\u306e\u5c0e\u7dda\u304c\u9732\u51fa\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9069\u5ea6\u306a\u529b\u3067\u5c0e\u7dda\u3092\u5f15\u304d\u629c\u304d\u307e\u3059\u3002\u9069\u5207\u306b\u633f\u5165\u3055\u308c\u305f\u5c0e\u7dda\u306f\u3001\u30ea\u30ea\u30fc\u30b9\u6a5f\u69cb\u3092\u4f5c\u52d5\u3055\u305b\u306a\u304f\u3066\u3082\u5f15\u304d\u629c\u304d\u306b\u62b5\u6297\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30e9\u30d9\u30ea\u30f3\u30b0\u3068\u6587\u66f8\u5316\u306e\u8981\u4ef6<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">NEC\u5fc5\u9808\u30e9\u30d9\u30ea\u30f3\u30b0<\/h3>\n\n\n\n<p>NEC 690.35(E)\u306f\u3001\u660e\u78ba\u306a\u8b58\u5225\u304a\u3088\u3073\u8a2d\u7f6e\u60c5\u5831\u3092\u63d0\u4f9b\u3059\u308b\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\u306e\u8a2d\u7f6e\u306b\u5bfe\u3059\u308b\u7279\u5b9a\u306e\u30e9\u30d9\u30eb\u4ed8\u3051\u3092\u7fa9\u52d9\u4ed8\u3051\u3066\u3044\u308b\u3002\u5fc5\u8981\u306a\u30e9\u30d9\u30eb\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u8010\u7528\u5e74\u6570\u3092\u901a\u3058\u3066\u8272\u3042\u305b\u3001\u98a8\u5316\u3001\u304a\u3088\u3073\u6d17\u6d44\u6eb6\u5264\u306b\u8010\u3048\u308b\u6c38\u4e45\u7684\u306a\u30de\u30fc\u30ad\u30f3\u30b0\u65b9\u6cd5\u3092\u4f7f\u7528\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002SPD\u88fd\u9020\u696d\u8005\u306b\u3088\u308b\u5370\u5237\u6e08\u307f\u30e9\u30d9\u30eb\u306f\u901a\u5e38\u8981\u4ef6\u3092\u6e80\u305f\u3057\u307e\u3059\u304c\u3001\u5185\u5bb9\u306b\u3059\u3079\u3066\u306e\u5fc5\u9808\u8981\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p><strong>NEC 690.35(E)\u306b\u57fa\u3065\u304f\u5fc5\u8981\u306a\u30e9\u30d9\u30eb\u60c5\u5831\uff1a<\/strong><\/p>\n\n\n\n<p>- <strong>\u201c\u300c\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\u201d<\/strong> \u307e\u305f\u306f <strong>\u201c\u300cSPD\u201d<\/strong>:\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\u3068\u3057\u3066\u306e\u660e\u78ba\u306a\u8b58\u5225<br>- <strong>SPD\u30bf\u30a4\u30d7\u5206\u985e<\/strong>:\u300cIEC 61643-31 \u306e\u5206\u985e\u306b\u9069\u5408\u3059\u308b\u300c\u30bf\u30a4\u30d7 1\u300d\u307e\u305f\u306f\u300c\u30bf\u30a4\u30d7 2<br>- <strong>\u5b9a\u683c\u653e\u96fb\u96fb\u6d41<\/strong>:\u300cIn = 20kA\u300d\u307e\u305f\u306f\u540c\u7b49\u306e\u4ed5\u69d8<br>- <strong>\u5b9a\u683c\u96fb\u5727<\/strong>:\u6700\u5927\u9023\u7d9a\u4f7f\u7528\u96fb\u5727\uff08MCOV\uff09\u307e\u305f\u306f\u5b9a\u683c\u96fb\u5727<br>- <strong>\u77ed\u7d61\u96fb\u6d41\u5b9a\u683c<\/strong> (\u8a72\u5f53\u3059\u308b\u5834\u5408\uff09\uff1a\u300cUL\u30ea\u30b9\u30c8\u6a5f\u5668\u306eSCCR = 10kA<br>- <strong>\u201c\u300c\u30b5\u30fc\u30d3\u30b9\u300d\u307e\u305f\u306f\u300c\u30e9\u30a4\u30f3\u201d<\/strong> \u63a5\u7d9a\u7aef\u5b50\u304c\u30b7\u30b9\u30c6\u30e0\u30bd\u30fc\u30b9\u306b\u9762\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3059\u5074\u9762\u8868\u793a<\/p>\n\n\n\n<p>\u305d\u306e\u4ed6\u306e\u63a8\u5968\u30e9\u30d9\u30ea\u30f3\u30b0\u306f\u4ee5\u4e0b\u306e\u901a\u308a\uff1a<\/p>\n\n\n\n<p>- \u7d4c\u5e74\u306b\u5fdc\u3058\u305f\u4ea4\u63db\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3092\u53ef\u80fd\u306b\u3059\u308b\u8a2d\u7f6e\u65e5<br>- \u4fdd\u8a3c\u304a\u3088\u3073\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u306e\u8cea\u554f\u306e\u305f\u3081\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u30fc\u306e\u8b58\u5225<br>- \u6cd5\u4ee4\u9075\u5b88\u306e\u691c\u8a3c\u3092\u6587\u66f8\u5316\u3057\u305f\u691c\u67fb\u65e5\u304a\u3088\u3073\u691c\u67fb\u5b98\u306e\u7f72\u540d<br>- \u96fb\u6c17\u5358\u7dda\u56f3\u306bSPD\u306e\u4f4d\u7f6e\u3092\u793a\u3059\u7ae3\u5de5\u56f3\u53c2\u7167<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30fb\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<p>\u5c02\u9580\u5bb6\u306b\u3088\u308b\u8a2d\u7f6e\u3067\u306f\u3001NEC\u6e96\u62e0\u3092\u8a3c\u660e\u3059\u308b\u5305\u62ec\u7684\u306a\u6587\u66f8\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u4f5c\u6210\u3055\u308c\u3001\u5c06\u6765\u306e\u4fdd\u5b88\u306e\u305f\u3081\u306e\u53c2\u7167\u8cc7\u6599\u3068\u306a\u308a\u307e\u3059\u3002\u30c9\u30ad\u30e5\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u4fdd\u8a3c\u8acb\u6c42\u3001\u30b5\u30fc\u30b8\u640d\u50b7\u5f8c\u306e\u4fdd\u967a\u8abf\u67fb\u3001\u307e\u305f\u306f\u65b0\u3057\u3044\u6240\u6709\u8005\u304c\u5b8c\u5168\u306aas-built\u60c5\u5831\u3092\u5fc5\u8981\u3068\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u6240\u6709\u6a29\u306e\u79fb\u8ee2\u306e\u969b\u306b\u7279\u306b\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u5fc5\u9808\u306e\u6587\u66f8\u8981\u7d20\uff1a<\/strong><\/p>\n\n\n\n<p><strong>\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u5199\u771f<\/strong>:SPD\u306e\u4f4d\u7f6e\u3092\u793a\u3059\u7b50\u4f53\u5168\u4f53\u56f3\u3001\u5c0e\u7dda\u306e\u6e96\u5099\u3068\u30c8\u30eb\u30af\u30de\u30fc\u30ad\u30f3\u30b0\u3092\u793a\u3059\u7d42\u7aef\u306e\u30af\u30ed\u30fc\u30ba\u30a2\u30c3\u30d7\u753b\u50cf\u3001\u30a2\u30fc\u30b9\u63a5\u7d9a\u306e\u8a73\u7d30\u3001\u30e9\u30d9\u30eb\u306e\u8cbc\u4ed8\u3092\u64ae\u5f71\u3059\u308b\u3002\u8a2d\u7f6e\u5834\u6240\u3054\u3068\u306b\u6700\u4f4e4\uff5e6\u679a\u306e\u5199\u771f\u3092\u64ae\u5f71\u3057\u3001\u8a2d\u7f6e\u306e\u54c1\u8cea\u3068\u6cd5\u4ee4\u9075\u5b88\u3092\u6587\u66f8\u5316\u3059\u308b\u3053\u3068\u3002.<\/p>\n\n\n\n<p><strong>\u30c6\u30b9\u30c8\u30ec\u30dd\u30fc\u30c8<\/strong>:SPD\u8a2d\u7f6e\u524d\u306e\u63a5\u5730\u96fb\u6975\u30b7\u30b9\u30c6\u30e0\u306e\u62b5\u6297\u8a66\u9a13\u3001\u63a5\u5730\u5c0e\u4f53\u7d4c\u8def\u306e\u5c0e\u901a\u8a66\u9a13\u3001DC\u56de\u8def\u306e\u7d76\u7e01\u62b5\u6297\u8a66\u9a13\u3092\u8a18\u9332\u3059\u308b\u3002\u6e2c\u5b9a\u5024\u306f\u3001\u65e5\u4ed8\u3001\u6642\u9593\u3001\u30c6\u30b9\u30bf\u30fc\u306e\u8b58\u5225\u3001\u304a\u3088\u3073\u8a66\u9a13\u88c5\u7f6e\u306e\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3068\u3068\u3082\u306b\u8a18\u9332\u3059\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u30e1\u30fc\u30ab\u30fc\u8cc7\u6599<\/strong>:SPD\u88fd\u54c1\u4ed5\u69d8\u66f8\u3001\u8a2d\u7f6e\u8aac\u660e\u66f8\u3001\u8a66\u9a13\u5831\u544a\u66f8\u3001\u9069\u5408\u8a3c\u660e\u66f8\u3092\u4fdd\u7ba1\u3059\u308b\u3053\u3068\u3002\u3053\u308c\u3089\u306e\u66f8\u985e\u306f\u3001\u8a31\u53ef\u7533\u8acb\u66f8\u306b\u8a18\u8f09\u3055\u308c\u305f\u6a5f\u5668\u306e\u5b9a\u683c\u3092\u8a3c\u660e\u3057\u3001\u5c06\u6765\u306e\u4ea4\u63db\u90e8\u54c1\u306e\u8abf\u9054\u306b\u5fc5\u8981\u306a\u4ed5\u69d8\u3092\u63d0\u4f9b\u3059\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u96fb\u6c17\u8a2d\u5099\u65bd\u5de5\u56f3<\/strong>:\u5b9f\u969b\u306eSPD\u306e\u8a2d\u7f6e\u4f4d\u7f6e\u3001\u5c0e\u7dda\u306e\u5f15\u304d\u56de\u3057\u3001\u30a2\u30fc\u30b9\u63a5\u7d9a\u30dd\u30a4\u30f3\u30c8\u3092\u793a\u3059\u5358\u7dda\u56f3\u3092\u66f4\u65b0\u3059\u308b\u3002As-built\u56f3\u9762\u306f\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u5c06\u6765\u306e\u4fee\u6b63\u306e\u305f\u3081\u306e\u6b63\u78ba\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u5143\u306e\u8a2d\u8a08\u304b\u3089\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5909\u66f4\u3092\u53cd\u6620\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306b\u4fdd\u5b58\u3055\u308c\u305fPDF\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u6587\u66f8\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f5c\u6210\u3057\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30b3\u30d4\u30fc\u3092\u30b7\u30b9\u30c6\u30e0\u6240\u6709\u8005\u306b\u63d0\u4f9b\u3059\u308b\u3002\u30aa\u30fc\u30ca\u30fc\u8981\u4ef6\u3092\u6e80\u305f\u3059\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u7d42\u4e86\u6642\u306e\u63d0\u51fa\u66f8\u985e\u3068\u3001\u96fb\u6c17\u691c\u67fb\u6700\u7d42\u627f\u8a8d\u30d7\u30ed\u30bb\u30b9\u306b\u6587\u66f8\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u542b\u3081\u308b\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u691c\u67fb\u304a\u3088\u3073\u8a66\u9a13\u624b\u9806<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u901a\u96fb\u524d\u691c\u8a3c\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h3>\n\n\n\n<p>\u30b5\u30fc\u30b8\u4fdd\u8b77\u8a2d\u5099\u3078\u306e\u901a\u96fb\u524d\u306b\u5305\u62ec\u7684\u306a\u691c\u67fb\u3092\u5b8c\u4e86\u3059\u308b\u3053\u3068\u3067\u3001\u6a5f\u5668\u306e\u640d\u50b7\u3092\u9632\u6b62\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u901a\u96fb\u524d\u306b\u4fee\u6b63\u53ef\u80fd\u306a\u8a2d\u7f6e\u30df\u30b9\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002\u901a\u96fb\u524d\u691c\u67fb\u306f\u3001\u8a2d\u7f6e\u5834\u6240\u3054\u3068\u306b15\uff5e30\u5206\u304b\u304b\u308a\u307e\u3059\u304c\u3001\u767a\u898b\u3055\u308c\u306a\u304b\u3063\u305f\u8a2d\u7f6e\u30df\u30b9\u306b\u8d77\u56e0\u3059\u308b\u8cbb\u7528\u306e\u304b\u304b\u308b\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3084\u4fee\u7406\u4f5c\u696d\u3092\u6392\u9664\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u76ee\u8996\u691c\u67fb\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff1a<\/strong><\/p>\n\n\n\n<p>\u2713 <strong>SPD\u53d6\u308a\u4ed8\u3051\u306e\u5b89\u5168\u6027<\/strong>:\u30c7\u30d0\u30a4\u30b9\u304cDIN\u30ec\u30fc\u30eb\u307e\u305f\u306f\u53d6\u308a\u4ed8\u3051\u9762\u306b\u3057\u3063\u304b\u308a\u3068\u56fa\u5b9a\u3055\u308c\u3001\u529b\u3092\u52a0\u3048\u3066\u3082\u52d5\u304b\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<br>\u2713 <strong>\u7aef\u5b50\u63a5\u7d9a<\/strong>:\u3059\u3079\u3066\u306e\u5c0e\u7dda\u304c\u6b63\u3057\u3044\u6975\u6027\u3068\u9069\u5207\u306a\u30c8\u30eb\u30af\u3067\u6b63\u3057\u304f\u7d42\u7aef\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<br>\u2713 <strong>\u5c0e\u4f53\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong>:\u5c0e\u4f53\u304c\u3001\u92ed\u304f\u66f2\u304c\u3063\u305f\u308a\u3001\u9577\u3059\u304e\u305f\u308a\u3001\u92ed\u5229\u306a\u30a8\u30c3\u30b8\u306b\u63a5\u89e6\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u304d\u3061\u3093\u3068\u3057\u305f\u7d4c\u8def\u3092\u305f\u3069\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<br>\u2713 <strong>\u30a2\u30fc\u30b9\u5c0e\u4f53<\/strong>:SPD\u304b\u3089\u63a5\u5730\u96fb\u6975\u307e\u3067\u3001\u30b3\u30a4\u30eb\u3084\u30eb\u30fc\u30d7\u306e\u306a\u3044\u5b9f\u7528\u7684\u306a\u6700\u77ed\u30eb\u30fc\u30c8\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068<br>\u2713 <strong>\u30af\u30ea\u30a2\u30e9\u30f3\u30b9<\/strong>:SPD\u306e\u901a\u96fb\u90e8\u5206\u304b\u3089\u63a5\u5730\u3055\u308c\u305f\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u307e\u3067\u306e\u6700\u5c0f\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u3092\u6e2c\u5b9a\u3057\u3001NEC\u304a\u3088\u3073\u30e1\u30fc\u30ab\u30fc\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3002<br>\u2713 <strong>\u30e9\u30d9\u30ea\u30f3\u30b0<\/strong>:NEC 690.35(E)\u306b\u5f93\u3044\u3001\u5fc5\u8981\u306a\u30e9\u30d9\u30eb\u304c\u8cbc\u4ed8\u3055\u308c\u3001\u60c5\u5831\u304c\u5b8c\u5168\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<br>\u2713 <strong>\u30b9\u30c6\u30fc\u30bf\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf<\/strong>:\u901a\u96fb\u524d\u306eSPD\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u306e\u72b6\u614b\u3092\u8a18\u9332\u3057\u3001\u6bd4\u8f03\u306e\u305f\u3081\u306e\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3092\u78ba\u7acb\u3059\u308b\u3002<\/p>\n\n\n\n<p><strong>\u96fb\u6c17\u30c6\u30b9\u30c8\u624b\u9806\uff1a<\/strong><\/p>\n\n\n\n<p>SPD\u306b\u901a\u96fb\u3059\u308b\u524d\u306b\u3001\u76f4\u6d41\u96fb\u5727\u3068\u62b5\u6297\u306e\u6e2c\u5b9a\u306b\u5b9a\u683c\u306e\u3042\u308b\u30c7\u30b8\u30bf\u30eb\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3001\u8a2d\u7f6e\u306e\u5b8c\u5168\u6027\u3092\u78ba\u8a8d\u3059\u308b\u3002.<\/p>\n\n\n\n<p>1. <strong>\u63a5\u5730\u5c0e\u901a\u8a66\u9a13<\/strong>:SPD\u63a5\u5730\u7aef\u5b50\u3068\u4e3b\u63a5\u5730\u96fb\u6975\u9593\u306e\u62b5\u6297\u3092\u6e2c\u5b9a\u3059\u308b\u3002\u76ee\u6a19\u5024\u304c1\u03a9\u672a\u6e80\u3067\u3042\u308c\u3070\u3001\u9069\u5207\u306a\u63a5\u5730\u7d4c\u8def\u304c\u78ba\u4fdd\u3055\u308c\u3066\u3044\u308b\u30022\u03a9\u4ee5\u4e0a\u306e\u62b5\u6297\u5024\u306f\u3001\u9ad8\u62b5\u6297\u306e\u63a5\u7d9a\u3092\u793a\u3057\u3001\u8abf\u67fb\u304a\u3088\u3073\u4fee\u6b63\u304c\u5fc5\u8981\u3002.<\/p>\n\n\n\n<p>2. <strong>\u6975\u6027\u691c\u8a3c<\/strong>:\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u30ab\u30d0\u30fc\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u975e\u901a\u96fb\u306e\u72b6\u614b\u3067\u3001SPD\u30d7\u30e9\u30b9\u7aef\u5b50\u3068\u65e2\u77e5\u306e\u30b7\u30b9\u30c6\u30e0\u30d7\u30e9\u30b9\u5c0e\u4f53\u9593\u306e\u62b5\u6297\u3092\u6e2c\u5b9a\u3059\u308b\u30aa\u30fc\u30e0\u8a08\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u975e\u5e38\u306b\u4f4e\u3044\u62b5\u6297\u5024\uff08 1M\u03a9\uff09\u306f\u3001\u901a\u96fb\u524d\u306b\u4fee\u6b63\u304c\u5fc5\u8981\u306a\u9006\u6975\u6027\u3092\u793a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>3. <strong>\u7d76\u7e01\u62b5\u6297<\/strong>:\u30d7\u30e9\u30b9\u5c0e\u4f53\u3068\u63a5\u5730\u3001\u6b21\u306b\u30de\u30a4\u30ca\u30b9\u5c0e\u4f53\u3068\u63a5\u5730\u306e\u9593\u306e\u7d76\u7e01\u62b5\u6297\u3092\u6e2c\u5b9a\u3059\u308b\u3002\u76ee\u6a19\u5024\u304c1M\u03a9\u4ee5\u4e0a\u3067\u3042\u308c\u3070\u3001\u7d76\u7e01\u306e\u5b8c\u5168\u6027\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3002\u3053\u308c\u3088\u308a\u4f4e\u3044\u6e2c\u5b9a\u5024\u306f\u3001\u7d76\u7e01\u306e\u640d\u50b7\u3001\u6e7f\u6c17\u306e\u4fb5\u5165\u3001\u307e\u305f\u306f\u4fee\u6b63\u304c\u5fc5\u8981\u306a\u4e0d\u6b63\u78ba\u306a\u914d\u7dda\u3092\u793a\u5506\u3059\u308b\u3002.<\/p>\n\n\n\n<p>4. <strong>\u56de\u8def\u306e\u9023\u7d9a\u6027<\/strong>:\u30e2\u30b8\u30e5\u30fc\u30eb\u304b\u3089SPD\u3092\u7d4c\u3066\u30a4\u30f3\u30d0\u30fc\u30bf\u306b\u81f3\u308b\u5b8c\u5168\u306aDC\u56de\u8def\u3092\u901a\u3057\u3066\u96fb\u6c17\u7684\u5c0e\u901a\u3092\u78ba\u8a8d\u3059\u308b\u3002\u3053\u306e\u30c6\u30b9\u30c8\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u63a5\u7d9a\u304c\u9069\u5207\u306b\u884c\u308f\u308c\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u4f5c\u3092\u59a8\u3052\u308b\u30aa\u30fc\u30d7\u30f3\u56de\u8def\u304c\u5b58\u5728\u3057\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a66\u904b\u8ee2\u3068\u6027\u80fd\u691c\u8a3c<\/h3>\n\n\n\n<p>\u4e8b\u524d\u901a\u96fb\u30c6\u30b9\u30c8\u304c\u6210\u529f\u3057\u305f\u3089\u3001\u9069\u5207\u306a\u52d5\u4f5c\u3068\u6545\u969c\u72b6\u614b\u304c\u306a\u3044\u3053\u3068\u3092\u76e3\u8996\u3057\u306a\u304c\u3089\u3001\u614e\u91cd\u306b\u30b7\u30b9\u30c6\u30e0\u306b\u901a\u96fb\u3059\u308b\u3002\u8a66\u904b\u8ee2\u306f\u3001\u8a2d\u8a08\u3001\u8a2d\u7f6e\u306e\u54c1\u8cea\u3001\u90e8\u54c1\u306e\u6027\u80fd\u3092\u5b9f\u969b\u306e\u904b\u8ee2\u6761\u4ef6\u4e0b\u3067\u8a3c\u660e\u3059\u308b\u91cd\u8981\u306a\u8a2d\u7f6e\u6bb5\u968e\u3067\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u30b3\u30df\u30c3\u30b7\u30e7\u30cb\u30f3\u30b0\u306e\u624b\u9806<\/strong><\/p>\n\n\n\n<p>1. <strong>\u30e2\u30b8\u30e5\u30fc\u30eb\u30ab\u30d0\u30fc\u3092\u5916\u3059<\/strong>:\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u8a2d\u7f6e\u4e2d\u306b\u30ab\u30d0\u30fc\u3067\u8986\u308f\u308c\u3066\u3044\u305f\u5834\u5408\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u96fb\u5727\u3092\u767a\u751f\u3067\u304d\u308b\u3088\u3046\u306b\u30ab\u30d0\u30fc\u6750\u3092\u6ce8\u610f\u6df1\u304f\u53d6\u308a\u9664\u3044\u3066\u304f\u3060\u3055\u3044\u3002\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u3067\u96fb\u5727\u4e0a\u6607\u3092\u76e3\u8996\u3057\u3001\u6975\u6027\u304c\u9069\u5207\u3067\u3042\u308b\u3053\u3068\u3068\u3001\u4e88\u60f3\u3055\u308c\u308b\u96fb\u5727\u30ec\u30d9\u30eb\u3092\u78ba\u8a8d\u3059\u308b\u3002.<\/p>\n\n\n\n<p>2. <strong>SPD\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b<\/strong>:SPD \u30b9\u30c6\u30fc\u30bf\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u3092\u89b3\u5bdf\u3057\u3001\u300c\u5065\u5168\u300d\u307e\u305f\u306f\u300c\u6b63\u5e38\u300d\u8868\u793a\uff08\u901a\u5e38\u3001\u7dd1\u8272 LED \u307e\u305f\u306f\u6a5f\u68b0\u7684\u30d5\u30e9\u30b0\uff09\u3092\u78ba\u8a8d\u3059\u308b\u3002\u5373\u6642\u306e\u6545\u969c\u8868\u793a\u306f\u3001\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3068\u8abf\u67fb\u304c\u5fc5\u8981\u306a\u8a2d\u7f6e\u30a8\u30e9\u30fc\u3092\u793a\u5506\u3059\u308b\u3002.<\/p>\n\n\n\n<p>3. <strong>\u52d5\u4f5c\u96fb\u5727\u306e\u6e2c\u5b9a<\/strong>:SPD\u306e\u4f4d\u7f6e\u306b\u304a\u3051\u308bDC\u30b7\u30b9\u30c6\u30e0\u96fb\u5727\u3092\u8a2d\u8a08\u8a08\u7b97\u3068\u6bd4\u8f03\u3057\u3066\u8a18\u9332\u3059\u308b\u3002\u96fb\u5727\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u6570\u3001\u592a\u967d\u653e\u5c04\u7167\u5ea6\u3001\u6e29\u5ea6\u306b\u57fa\u3065\u3044\u3066\u4e88\u60f3\u3055\u308c\u308b\u958b\u56de\u8def\u96fb\u5727\u3068\u4e00\u81f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u8457\u3057\u3044\u504f\u5dee\u306f\u3001\u914d\u7dda\u30df\u30b9\u307e\u305f\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u554f\u984c\u304c\u3042\u308b\u53ef\u80fd\u6027\u3092\u793a\u3059\u3002.<\/p>\n\n\n\n<p>4. <strong>SPD\u306e\u6e29\u5ea6\u3092\u30e2\u30cb\u30bf\u30fc\u3059\u308b<\/strong>:\u5b8c\u5168\u306a\u65e5\u5c04\u6761\u4ef6\u4e0b\u306715\uff5e30\u5206\u9593\u52d5\u4f5c\u3055\u305b\u305f\u5f8c\u3001\u8d64\u5916\u7dda\u6e29\u5ea6\u8a08\u3067SPD\u306e\u7b50\u4f53\u6e29\u5ea6\u3092\u6e2c\u5b9a\u3059\u308b\u3002\u30c7\u30d0\u30a4\u30b9\u306e\u6e29\u5ea6\u306f\u5468\u56f2\u6e29\u5ea6\u306e10\u2103\u4ee5\u5185\u3067\u3042\u308b\u3053\u3068\u3002\u904e\u5ea6\u306e\u767a\u71b1\u306f\u3001MCOV\u5b9a\u683c\u304c\u6b63\u3057\u304f\u306a\u3044\u304b\u3001\u7aef\u5b50\u306e\u63a5\u7d9a\u4e0d\u826f\u3001\u307e\u305f\u306fSPD\u306b\u6b20\u9665\u304c\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u304a\u308a\u3001\u65e9\u6025\u306a\u8abf\u67fb\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p>5. <strong>\u30b7\u30b9\u30c6\u30e0\u6a5f\u80fd\u30c6\u30b9\u30c8<\/strong>:\u30a4\u30f3\u30d0\u30fc\u30bf\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3001\u592a\u967d\u96fb\u6c60\u306e\u72b6\u614b\u306b\u5fdc\u3058\u3066\u671f\u5f85\u3055\u308c\u308b\u51fa\u529b\u304c\u5f97\u3089\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u30a4\u30f3\u30d0\u30fc\u30bf\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3067\u3001SPD\u306e\u8a2d\u7f6e\u306b\u3088\u3063\u3066\u30b7\u30b9\u30c6\u30e0\u6027\u80fd\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u56de\u8def\u306e\u554f\u984c\u304c\u751f\u3058\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3002.<\/p>\n\n\n\n<p>6. <strong>\u30b3\u30df\u30c3\u30b7\u30e7\u30cb\u30f3\u30b0\u306e\u6587\u66f8\u5316<\/strong>:\u3059\u3079\u3066\u306e\u6e2c\u5b9a\u5024\u3001\u89b3\u5bdf\u5024\u3092\u8a18\u9332\u3057\u3001\u6700\u7d42\u7684\u306a\u8a2d\u7f6e\u72b6\u614b\u3092\u5199\u771f\u306b\u64ae\u308b\u3002\u7ba1\u8f44\u533a\u57df\u3067\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u96fb\u6c17\u691c\u67fb\u5b98\u306e\u627f\u8a8d\u3092\u5f97\u308b\u3002\u3059\u3079\u3066\u306e\u8a66\u9a13\u30c7\u30fc\u30bf\u3068\u904b\u7528\u4e0a\u306e\u63a8\u5968\u4e8b\u9805\u3092\u542b\u3080\u8a66\u904b\u8ee2\u5831\u544a\u66f8\u3092\u30b7\u30b9\u30c6\u30e0\u6240\u6709\u8005\u306b\u63d0\u51fa\u3059\u308b\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u30c6\u30b9\u30c8\u30fb\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u76ee\u6a19\u5024<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u8a31\u5bb9\u7bc4\u56f2<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u7bc4\u56f2\u5916\u306e\u5834\u5408\u306e\u63aa\u7f6e<\/th><\/tr><\/thead><tbody><tr><td><strong>\u63a5\u5730\u62b5\u6297<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">&lt;1\u03a9<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.1-2\u03a9<\/td><td class=\"has-text-align-center\" data-align=\"center\">2\u03a9\u4ee5\u4e0a\u306e\u5834\u5408\u306f\u63a5\u7d9a\u3092\u8abf\u67fb\u3059\u308b<\/td><\/tr><tr><td><strong>\u7d76\u7e01\u62b5\u6297<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">&gt;1M\u03a9\u4ee5\u4e0a<\/td><td class=\"has-text-align-center\" data-align=\"center\">1-100M\u03a9+<\/td><td class=\"has-text-align-center\" data-align=\"center\">500k\u03a9\u672a\u6e80\u306a\u3089\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c8<\/td><\/tr><tr><td><strong>\u52d5\u4f5c\u96fb\u5727<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u30c7\u30b6\u30a4\u30f3\u8a08\u7b97<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u8a2d\u8a08\u306e\u00b15%<\/td><td class=\"has-text-align-center\" data-align=\"center\">10%\u5916\u306e\u5834\u5408\u306f\u56de\u8def\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068<\/td><\/tr><tr><td><strong>SPD\u6e29\u5ea6<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5468\u56f2\u6e29\u5ea6 +5\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5468\u56f2\u6e29\u5ea6\uff5e+15<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5468\u56f2\u6e29\u5ea6+20\u2103\u3092\u8d85\u3048\u308b\u3068\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\ud83c\udfaf \u30d7\u30ed\u306e\u30a2\u30c9\u30d0\u30a4\u30b9\uff1a<\/strong> \u6a19\u6e96\u5316\u3055\u308c\u305f\u8a66\u904b\u8ee2\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u3001\u304a\u5ba2\u69d8\u306e\u8a2d\u7f6e\u65b9\u6cd5\u304a\u3088\u3073\u5730\u57df\u306e\u6cd5\u4ee4\u8981\u4ef6\u306b\u9069\u5408\u3055\u305b\u307e\u3059\u3002\u6bce\u56de\u306e\u8a2d\u7f6e\u6642\u306b\u4f7f\u7528\u3059\u308b\u30e9\u30df\u30cd\u30fc\u30c8\u52a0\u5de5\u3055\u308c\u305f\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u306f\u3001\u4e00\u8cab\u3057\u305f\u54c1\u8cea\u3092\u4fdd\u8a3c\u3057\u3001\u624b\u9806\u306e\u7701\u7565\u3092\u9632\u304e\u307e\u3059\u3002\u30bf\u30d6\u30ec\u30c3\u30c8\u307e\u305f\u306f\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3092\u4f7f\u7528\u3057\u305f\u30c7\u30b8\u30bf\u30eb\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3067\u306f\u3001\u5404\u691c\u8a3c\u9805\u76ee\u306b\u76f4\u63a5\u5199\u771f\u3092\u6dfb\u4ed8\u3057\u3066\u3001\u9ad8\u54c1\u8cea\u306e\u4ed5\u4e0a\u304c\u308a\u3092\u8a3c\u660e\u3059\u308b\u5b8c\u5168\u306a\u8a66\u904b\u8ee2\u8a18\u9332\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/sinobreaker.com\/wp-content\/uploads\/2025\/10\/temp_diagram_3-170-scaled.webp\" alt=\"\u30b5\u30fc\u30b8\u4fdd\u8b77DC\u306e\u8a2d\u7f6eNEC 690.35 \u8981\u4ef6 2025 - \u30d7\u30ed\u30bb\u30b9\u30d5\u30ed\u30fc\u56f3\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">NEC\u306fPV\u30b7\u30b9\u30c6\u30e0\u306e\u3069\u3053\u306b\u30b5\u30fc\u30b8\u4fdd\u8b77\u3092\u8a2d\u7f6e\u3059\u308b\u3088\u3046\u6c42\u3081\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>NEC 690.35(A)\u306f\u3001\u300c\u592a\u967d\u5149\u767a\u96fb\u51fa\u529b\u56de\u8def\u306e\u5c0e\u4f53\u4e0a\u300d\u306b\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\u3092\u8981\u6c42\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u306f\u3044\u304f\u3064\u304b\u306e\u9069\u5408\u3059\u308b\u8a2d\u7f6e\u5834\u6240\u3092\u8a31\u53ef\u3057\u3066\u3044\u308b\u3002\u8a31\u5bb9\u3055\u308c\u308b\u4f4d\u7f6e\u306b\u306f\u3001DC\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u51fa\u529b\u3001DC\u30c7\u30a3\u30b9\u30b3\u30cd\u30af\u30c8\u51fa\u529b\u3001\u307e\u305f\u306f\u30a4\u30f3\u30d0\u30fc\u30bfDC\u5165\u529b\u7aef\u5b50\u304c\u542b\u307e\u308c\u3001PV\u51fa\u529b\u56de\u8def\u306b\u6cbf\u3063\u305f\u4efb\u610f\u306e\u4f4d\u7f6e\u304c\u30b3\u30fc\u30c9\u3092\u6e80\u305f\u3059\u3002\u4fdd\u8b77\u52b9\u679c\u3001\u4fdd\u5b88\u306e\u305f\u3081\u306e\u30a2\u30af\u30bb\u30b9\u6027\u3001\u8a2d\u7f6e\u306e\u5b9f\u7528\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u8003\u616e\u3057\u3066\u5834\u6240\u3092\u9078\u629e\u3059\u308b\u3002.<\/p>\n\n\n\n<p>\u30a4\u30f3\u30d0\u30fc\u30bf\u306eDC\u5165\u529b\u306b1\u70b9\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u4f4f\u5b85\u7528\u30b7\u30b9\u30c6\u30e0\u3067\u6700\u3082\u7c21\u5358\u306a\u6cd5\u4ee4\u6e96\u62e0\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u5546\u696d\u65bd\u8a2d\u3067\u306f\u3001\u30e1\u30a4\u30f3DC\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u306bSPD\u3092\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u304c\u591a\u304f\u30011\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u3059\u3079\u3066\u306e\u4e0b\u6d41\u6a5f\u5668\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30b9\u30b1\u30fc\u30eb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u30a2\u30ec\u30a4\u30d5\u30a3\u30fc\u30eb\u30c9\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u3067\u306e\u4fdd\u8b77\u3068\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u5165\u529b\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u30de\u30eb\u30c1\u30dd\u30a4\u30f3\u30c8\u8a2d\u7f6e\u306b\u3088\u308a\u3001\u5fb9\u5e95\u3057\u305f\u9632\u5fa1\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u9078\u629e\u3057\u305f\u8a2d\u7f6e\u5834\u6240\u3092\u96fb\u6c17\u56f3\u9762\u306b\u6587\u66f8\u5316\u3057\u3001\u5be9\u67fb\u6642\u306b\u691c\u67fb\u54e1\u304c\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002.<\/p>\n\n\n\n<p>NEC 690.35\u306f\u3001\u5730\u57df\u306e\u6539\u6b63\u3084\u6a19\u6e96\u7684\u306a\u6163\u884c\u306b\u57fa\u3065\u304d\u3001\u7279\u5b9a\u306e\u8a2d\u7f6e\u5834\u6240\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u8a2d\u7f6e\u5834\u6240\u3092\u6700\u7d42\u6c7a\u5b9a\u3059\u308b\u524d\u306b\u3001AHJ\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002\u6700\u7d42\u691c\u67fb\u3067\u4e0d\u5408\u683c\u3068\u306a\u308a\u3001\u8cbb\u7528\u306e\u304b\u304b\u308b\u518d\u8a2d\u7f6e\u5de5\u4e8b\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SPD\u306e\u30a2\u30fc\u30b9\u5c0e\u4f53\u306f\u3069\u306e\u304f\u3089\u3044\u77ed\u304f\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>NEC 690.35(D)\u306f\u3001\u6b63\u78ba\u306a\u6700\u5927\u9577\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u63a5\u5730\u5c0e\u4f53\u3092\u300c\u53ef\u80fd\u306a\u9650\u308a\u77ed\u304f\u3001\u307e\u3063\u3059\u3050\u300d\u306b\u3059\u308b\u3053\u3068\u3092\u8981\u6c42\u3057\u3066\u3044\u308b\u3002\u696d\u754c\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u306f\u3001SPD\u63a5\u5730\u7aef\u5b50\u304b\u3089\u63a5\u5730\u96fb\u6975\u63a5\u7d9a\u307e\u3067\u306e\u5168\u9577\u306f\u6700\u5927300mm\uff0812\u30a4\u30f3\u30c1\uff09\u3092\u63a8\u5968\u3057\u3066\u3044\u308b\u3002\u3088\u308a\u77ed\u3044\u9577\u3055\u306f\u3001\u3088\u308a\u826f\u3044\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059-150mm\uff086\u30a4\u30f3\u30c1\uff09\u306f\u3001\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u8a31\u5bb9\u3059\u308b\u8a2d\u7f6e\u306e\u305f\u3081\u306e\u512a\u308c\u305f\u30bf\u30fc\u30b2\u30c3\u30c8\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u30a2\u30fc\u30b9\u5c0e\u4f53\u306e\u9577\u3055\u306f\u3001\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u3092\u901a\u3057\u3066SPD\u306e\u6027\u80fd\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u5c0e\u4f531m\u3042\u305f\u308a\u7d041.5\u03bcH\u306e\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u304c\u4ed8\u52a0\u3055\u308c\u3001\u6025\u4e0a\u6607\u3059\u308b\u30b5\u30fc\u30b8\u96fb\u6d41\u6642\u306b\u96fb\u5727\u964d\u4e0b\u304c\u767a\u751f\u3059\u308b\u30021\u03bcs \u306e\u7acb\u3061\u4e0a\u304c\u308a\u6642\u9593\u3067 10kA \u306e\u30b5\u30fc\u30b8\uff08di\/dt = 10kA\/\u03bcs\uff09\u306e\u5834\u5408\u3001300mm \u306e\u5c0e\u4f53\uff08450nH\uff09\u306f V = L \u00d7 di\/dt = 450nH \u00d7 10kA\/\u03bcs = 4500V \u306e\u96fb\u5727\u964d\u4e0b\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3053\u306e4500V\u304cSPD\u306e\u30af\u30e9\u30f3\u30d7\u96fb\u5727\u306b\u52a0\u308f\u308a\u3001\u4fdd\u8b77\u3055\u308c\u305f\u6a5f\u5668\u306e\u7d76\u7e01\u5b9a\u683c\u3092\u8d85\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u7b50\u4f53\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u3088\u308a\u63a5\u5730\u5c0e\u7dda\u304c\u77ed\u3044\u5834\u5408\u306f\u3001SPD\u3092\u63a5\u5730\u70b9\u306b\u8fd1\u3065\u3051\u308b\u5225\u306e\u53d6\u308a\u4ed8\u3051\u4f4d\u7f6e\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6975\u7aef\u306a\u5834\u5408\u3001SPD\u3092\u5185\u8535\u30a2\u30fc\u30b9\u30b9\u30bf\u30c3\u30c9\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u80cc\u9762\u30d1\u30cd\u30eb\u306b\u76f4\u63a5\u63a5\u7d9a\u3057\u3001\u5225\u500b\u306e\u30a2\u30fc\u30b9\u5c0e\u4f53\u3092\u306a\u304f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30c0\u30a4\u30ec\u30af\u30c8\u30de\u30a6\u30f3\u30c8\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u4fdd\u8b77\u52b9\u679c\u3092\u6700\u9069\u5316\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u81ea\u5206\u3067\u30b5\u30fc\u30b8\u4fdd\u8b77\u3092\u8a2d\u7f6e\u3067\u304d\u307e\u3059\u304b\u3001\u305d\u308c\u3068\u3082\u30e9\u30a4\u30bb\u30f3\u30b9\u3092\u6301\u3063\u305f\u96fb\u6c17\u6280\u5e2b\u306b\u4f9d\u983c\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u304b\uff1f<\/h3>\n\n\n\n<p>\u8ab0\u304c\u30b5\u30fc\u30b8\u4fdd\u8b77\u3092\u53d6\u308a\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u306b\u95a2\u3059\u308b\u96fb\u6c17\u898f\u5247\u306e\u8981\u4ef6\u306f\u3001\u7ba1\u8f44\u533a\u57df\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u7c73\u56fd\u306e\u307b\u3068\u3093\u3069\u306e\u5dde\u3067\u306f\u3001\u592a\u967d\u5149\u767a\u96fb\u306e\u76f4\u6d41\u56de\u8def\u3092\u542b\u3081\u300150V\u4ee5\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u96fb\u6c17\u7cfb\u7d71\u306e\u5de5\u4e8b\u306b\u306f\u3001\u96fb\u6c17\u5de5\u4e8b\u58eb\u306e\u514d\u8a31\u304c\u5fc5\u8981\u3067\u3059\u3002\u4e00\u90e8\u306e\u7ba1\u8f44\u533a\u57df\u3067\u306f\u3001\u4f4f\u5b85\u6240\u6709\u8005\u304c\u81ea\u5206\u306e\u6240\u6709\u5730\u3067\u4f5c\u696d\u3092\u884c\u3046\u3053\u3068\u3092\u8a31\u53ef\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u308c\u3067\u3082\u96fb\u6c17\u8a31\u53ef\u3068\u691c\u67fb\u304c\u5fc5\u8981\u3067\u3059\u3002\u5546\u696d\u65bd\u8a2d\u3067\u306f\u3001\u96fb\u6c17\u5de5\u4e8b\u58eb\u306e\u514d\u8a31\u3068\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\u306b\u95a2\u3059\u308b\u6587\u66f8\u5316\u3055\u308c\u305f\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u6cd5\u4ee4\u306b\u3088\u308a\u4f4f\u5b85\u6240\u6709\u8005\u306b\u3088\u308b\u8a2d\u7f6e\u304c\u8a31\u53ef\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001\u5c02\u9580\u5bb6\u306b\u3088\u308b\u8a2d\u7f6e\u306b\u306f\u5927\u304d\u306a\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u6709\u8cc7\u683c\u306e\u96fb\u6c17\u5de5\u4e8b\u58eb\u306f\u3001\u6cd5\u898f\u5236\u306e\u8981\u4ef6\u3001\u9069\u5207\u306a\u8a2d\u7f6e\u6280\u8853\u3001\u691c\u67fb\u624b\u9806\u3092\u7406\u89e3\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u9069\u5408\u3057\u305f\u8a2d\u7f6e\u3067\u4e00\u767a\u691c\u67fb\u5408\u683c\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u5c02\u9580\u5bb6\u306b\u3088\u308b\u8a2d\u7f6e\u306f\u3001\u6a5f\u5668\u306e\u4fdd\u8a3c\u8981\u4ef6\u3082\u6e80\u305f\u3057\u307e\u3059\u3002\u591a\u304f\u306eSPD\u30e1\u30fc\u30ab\u30fc\u306f\u3001\u7121\u8cc7\u683c\u8005\u304c\u6a5f\u5668\u3092\u8a2d\u7f6e\u3057\u305f\u5834\u5408\u3001\u4fdd\u8a3c\u3092\u7121\u52b9\u306b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>DIY\u306b\u3088\u308b\u8a2d\u7f6e\u306f\u3001\u305d\u306e\u5f8c\u30b5\u30fc\u30b8\u306b\u3088\u308b\u640d\u5bb3\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u8ce0\u511f\u8cac\u4efb\u304c\u751f\u3058\u308b\u61f8\u5ff5\u304c\u3042\u308b\u3002\u4fdd\u967a\u4f1a\u793e\u306f\u3001\u4e0d\u9069\u5207\u306a\u8a2d\u7f6e\u304c\u640d\u5bb3\u306e\u4e00\u56e0\u3067\u3042\u308b\u3068\u3057\u3066\u8acb\u6c42\u3092\u62d2\u5426\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5c02\u9580\u5bb6\u306b\u3088\u308b\u8a2d\u7f6e\u306f\u3001\u6cd5\u5f8b\u306b\u6e96\u62e0\u3057\u305f\u4f5c\u696d\u3092\u8a3c\u660e\u3059\u308b\u6587\u66f8\u306b\u3088\u308b\u75d5\u8de1\u3092\u6b8b\u3057\u3001\u4f4f\u5b85\u6240\u6709\u8005\u3092\u8cac\u4efb\u554f\u984c\u304b\u3089\u5b88\u308a\u307e\u3059\u3002DIY\u3068\u5c02\u9580\u5bb6\u306b\u3088\u308b\u8a2d\u7f6e\u306e\u308f\u305a\u304b\u306a\u30b3\u30b9\u30c8\u5dee\uff08\u307b\u3068\u3093\u3069\u306e\u4f4f\u5b85\u7528\u30b7\u30b9\u30c6\u30e0\u3067$200\uff5e500\uff09\u306f\u3001\u5b89\u5fc3\u306e\u305f\u3081\u306e\u4fa1\u5024\u3042\u308b\u6295\u8cc7\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SPD\u306e\u6975\u6027\u3092\u9593\u9055\u3063\u3066\u53d6\u308a\u4ed8\u3051\u308b\u3068\u3069\u3046\u306a\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>\u6975\u6027\u304c\u9006\uff08\u30d7\u30e9\u30b9\u5c0e\u4f53\u304c\u30de\u30a4\u30ca\u30b9\u7aef\u5b50\u3078\u3001\u30de\u30a4\u30ca\u30b9\u5c0e\u4f53\u304c\u30d7\u30e9\u30b9\u7aef\u5b50\u3078\uff09\u306e 2 \u6975 DC SPD \u3092\u8a2d\u7f6e\u3057\u3066\u3082\u3001\u901a\u5e38\u3001\u76f4\u3061\u306b\u5b89\u5168\u4e0a\u306e\u554f\u984c\u304c\u751f\u3058\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4fdd\u8b77\u6027\u80fd\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u8fd1\u306e DC SPD \u306e\u307b\u3068\u3093\u3069\u306f\u3001\u6975\u6027\u306e\u5411\u304d\u306b\u95a2\u4fc2\u306a\u304f\u53cc\u65b9\u5411\u306e\u96fb\u5727\u30af\u30e9\u30f3\u30d7\u30c7\u30d0\u30a4\u30b9\u6a5f\u80fd\u3092\u767a\u63ee\u3059\u308b\u91d1\u5c5e\u9178\u5316\u7269\u30d0\u30ea\u30b9\u30bf\u3092\u4f7f\u7528\u3057\u3066\u304a\u308a\u3001\u6975\u6027\u3092\u9006\u306b\u63a5\u7d9a\u3057\u3066\u3082\u3042\u308b\u7a0b\u5ea6\u306e\u4fdd\u8b77\u304c\u5f97\u3089\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u6975\u6027\u304c\u9006\u306b\u306a\u308b\u3068\u3001\u30d7\u30e9\u30b9\u3068\u30de\u30a4\u30ca\u30b9\u306e\u5c0e\u4f53\u9593\u306e\u96fb\u6d41\u30d0\u30e9\u30f3\u30b9\u3092\u76e3\u8996\u3059\u308b\u5730\u7d61\u4fdd\u8b77\u88c5\u7f6e\u3084\u30a2\u30fc\u30af\u30d5\u30a9\u30eb\u30c8\u56de\u8def\u906e\u65ad\u5668\u3068\u306e\u9069\u5207\u306a\u8abf\u6574\u304c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002SPD \u306e\u9006\u63a5\u7d9a\u306f\u3001\u901a\u5e38\u306e\u96fb\u6d41\u30d5\u30ed\u30fc\u30d1\u30bf\u30fc\u30f3\u3092\u5909\u5316\u3055\u305b\u3001\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306e\u8ff7\u60d1\u30c8\u30ea\u30c3\u30d7\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u90e8\u306e\u9ad8\u5ea6\u306a SPD \u306b\u306f\u3001\u6975\u6027\u306b\u4f9d\u5b58\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u96fb\u5727\u3092\u691c\u51fa\u3059\u308b\u30b9\u30c6\u30fc\u30bf\u30b9\u76e3\u8996\u56de\u8def\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u9006\u63a5\u7d9a\u306b\u3088\u308a\u3053\u308c\u3089\u306e\u76e3\u8996\u6a5f\u80fd\u304c\u6b63\u3057\u304f\u52d5\u4f5c\u3057\u306a\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u8a2d\u7f6e\u30df\u30b9\u3092\u767a\u898b\u3057\u305f\u3089\u3001\u76f4\u3061\u306b\u4fee\u6b63\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b7\u30b9\u30c6\u30e0\uff08\u307e\u305f\u306f\u30ab\u30d0\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\uff09\u306e\u901a\u96fb\u3092\u89e3\u9664\u3057\u3001\u30bc\u30ed\u96fb\u5727\u3092\u78ba\u8a8d\u3057\u3001SPD\u306e\u5c0e\u4f53\u63a5\u7d9a\u3092\u6975\u6027\u30de\u30fc\u30af\u306b\u5408\u3063\u305f\u6b63\u3057\u3044\u7aef\u5b50\u306b\u4ea4\u63db\u3059\u308b\u3002\u4fee\u6b63\u5185\u5bb9\u3092\u5199\u771f\u3067\u8a18\u9332\u3057\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8a18\u9332\u306b\u8a18\u8f09\u3059\u308b\u3002\u627f\u8a8d\u3055\u308c\u305f\u8a08\u753b\u66f8\u306b\u9069\u5207\u306a\u6587\u66f8\u304c\u8a18\u8f09\u3055\u308c\u308b\u3088\u3046\u3001\u4fee\u6b63\u5185\u5bb9\u3092\u96fb\u6c17\u691c\u67fb\u54e1\u306b\u77e5\u3089\u305b\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a2d\u7f6e\u3055\u308c\u305fSPD\u306f\u3069\u308c\u304f\u3089\u3044\u306e\u983b\u5ea6\u3067\u691c\u67fb\u3055\u308c\u308b\u3079\u304d\u304b\uff1f<\/h3>\n\n\n\n<p>NEC 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\u691c\u67fb\u5b98\u306e\u627f\u8a8d\u304c\u5f97\u3089\u308c\u305a\u3001\u5c06\u6765\u306e\u4fdd\u5b88\u6642\u306b\u6df7\u4e71\u3092\u62db\u304f\u3002\u691c\u67fb\u3092\u4f9d\u983c\u3059\u308b\u524d\u306b\u3001NEC690.35(E)\u306b\u5f93\u3063\u3066\u5fc5\u8981\u306a\u30e9\u30d9\u30eb\u3092\u3059\u3079\u3066\u8cbc\u4ed8\u3057\u3066\u304a\u304f\u3068\u3001\u4e0d\u5408\u683c\u3084\u518d\u691c\u67fb\u8cbb\u7528\u3092\u907f\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u6c38\u4e45\u30e9\u30d9\u30eb\u30e1\u30fc\u30ab\u30fc\u307e\u305f\u306f\u8010\u4e45\u6027\u306e\u3042\u308b\u5370\u5237\u6e08\u307f\u30e9\u30d9\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3002\u624b\u66f8\u304d\u30e9\u30d9\u30eb\u306f\u8272\u3042\u305b\u308b\u3053\u3068\u304c\u591a\u304f\u30011\uff5e2\u5e74\u3067\u60c5\u5831\u304c\u8aad\u3081\u306a\u304f\u306a\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30fb\u30b9\u30b1\u30fc\u30eb\u306e\u8a2d\u7f6e\u306b\u306f\u3001\u4f4f\u5b85\u7528\u3068\u306f\u7570\u306a\u308b\u624b\u7d9a\u304d\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30fb\u30b9\u30b1\u30fc\u30eb\u306e\u30b5\u30fc\u30b8\u4fdd\u8b77\u8a2d\u5099\u306f\u3001\u540c\u3058\u57fa\u672c\u539f\u5247\u306b\u5f93\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u3088\u308a\u5927\u304d\u306a\u30b7\u30b9\u30c6\u30e0\u30fb\u30b5\u30a4\u30ba\u3068\u3088\u308a\u9ad8\u3044\u6a5f\u5668\u5024\u306b\u5408\u308f\u305b\u3066\u5b9f\u88c5\u306e\u898f\u6a21\u3092\u62e1\u5927\u3057\u307e\u3059\u3002\u6570\u30e1\u30ac\u30ef\u30c3\u30c8\u306e\u8a2d\u5099\u3067\u306f\u901a\u5e38\u3001\u30a2\u30ec\u30a4\u30d5\u30a3\u30fc\u30eb\u30c9\u30b3\u30f3\u30d0\u30a4\u30ca\u3001\u4e2d\u592e\u30ea\u30b3\u30f3\u30d0\u30a4\u30ca\u3001\u304a\u3088\u3073\u500b\u3005\u306e\u30a4\u30f3\u30d0\u30fc\u30bfDC\u5165\u529b\u3067\u306e\u4fdd\u8b77\u306b\u3088\u308b\u591a\u91cd\u9632\u5fa1\u3092\u5b9f\u73fe\u3059\u308b\u591a\u70b9SPD\u306e\u914d\u7f6e\u304c\u6307\u5b9a\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u5206\u6563\u578b\u4fdd\u8b77\u306b\u306f\u3001\u4fdd\u8b77\u30b9\u30c6\u30fc\u30b8\u9593\u306e\u9069\u5207\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u914d\u5206\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u614e\u91cd\u306a\u8abf\u6574\u5206\u6790\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u898f\u6a21\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u4f4f\u5b85\u306e\u8981\u4ef6\u3092\u4e0a\u56de\u308b\u5305\u62ec\u7684\u306a\u6587\u66f8\u5316\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u8a66\u904b\u8ee2\u6587\u66f8\u306b\u306f\u3001\u5b9f\u969b\u306e\u4fdd\u8b77\u30ec\u30d9\u30eb\u3092\u6e2c\u5b9a\u3059\u308b\u5b8c\u5168\u306a\u30b5\u30fc\u30b8\u8a66\u9a13\u5831\u544a\u66f8\u3001\u3059\u3079\u3066\u306e\u7d42\u7aef\u306e\u8d64\u5916\u7dda\u753b\u50cf\u8abf\u67fb\u3001\u5404\u4fdd\u8b77\u4f4d\u7f6e\u3067\u306e\u63a5\u5730\u62b5\u6297\u8a66\u9a13\u3001\u6240\u6709\u8005\u306e\u4ee3\u8868\u8005\u307e\u305f\u306f\u7b2c\u4e09\u8005\u8a66\u904b\u8ee2\u4ee3\u7406\u4eba\u306b\u3088\u308b\u7acb\u4f1a\u3044\u8a66\u9a13\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u6587\u66f8\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u3001\u7d99\u7d9a\u7684\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u4fdd\u8a3c\u8acb\u6c42\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u6052\u4e45\u7684\u306a\u65bd\u8a2d\u8a18\u9332\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30b9\u30b1\u30fc\u30eb\u306e\u8a2d\u5099\u3067\u5b89\u5168\u8981\u4ef6\u304c\u9ad8\u307e\u308b\u3002\u30a2\u30fc\u30af\u653e\u96fb\u306e\u5371\u967a\u6027\u8a55\u4fa1\u304c <a href=\"https:\/\/www.nfpa.org\/codes-and-standards\/all-codes-and-standards\/list-of-codes-and-standards\/detail?code=70\" target=\"_blank\" rel=\"noopener\">NFPA70<\/a>E\u306f\u3001SPD\u306e\u8a2d\u7f6e\u5834\u6240\u306b\u304a\u3051\u308b\u5165\u5c04\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u8a08\u7b97\u3057\u3001\u500b\u4eba\u7528\u4fdd\u8b77\u5177\u306e\u8981\u4ef6\u3092\u6307\u5b9a\u3059\u308b\u3002\u8a2d\u7f6e\u5de5\u4e8b\u3067\u306f\u3001\u4f5c\u696d\u54e1\u304c\u901a\u96fb\u90e8\u54c1\u306b\u89e6\u308c\u308b\u3053\u3068\u306a\u304fSPD\u3092\u4ea4\u63db\u3067\u304d\u308b\u30ea\u30e2\u30fc\u30c8\u30e9\u30c3\u30af\u30a2\u30a6\u30c8\u30b7\u30b9\u30c6\u30e0\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u5b89\u5168\u624b\u9806\u306e\u7b56\u5b9a\u3068\u4f5c\u696d\u54e1\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u306f\u3001\u6a5f\u5668\u306e\u8a2d\u7f6e\u4ee5\u4e0a\u306b\u4e0d\u53ef\u6b20\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8981\u7d20\u3068\u306a\u308b\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>\u5c02\u9580\u7684\u306a\u30b5\u30fc\u30b8\u4fdd\u8b77DC\u306e\u8a2d\u7f6e\u306b\u306f\u3001NEC690.35\u8981\u4ef6\u3001\u9069\u5207\u306a\u8a2d\u7f6e\u6280\u8853\u3001\u63a5\u5730\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u7f6e\u3001\u8a66\u904b\u8ee2\u624b\u9806\u3092\u5305\u62ec\u7684\u306b\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6cd5\u4ee4\u306b\u6e96\u62e0\u3057\u305f\u8a2d\u7f6e\u306f\u3001\u96fb\u6c17\u691c\u67fb\u8981\u4ef6\u3092\u6e80\u305f\u3057\u300125\u5e74\u9593\u306e\u52d5\u4f5c\u5bff\u547d\u3092\u901a\u3058\u3066\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0\u306e\u6027\u80fd\u3092\u78ba\u4fdd\u3057\u306a\u304c\u3089\u3001\u96f7\u306b\u3088\u308b\u30b5\u30fc\u30b8\u640d\u50b7\u304b\u3089\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8<\/strong><br>1.NEC 690.35\u3067\u306f\u3001PV\u51fa\u529b\u56de\u8def\u3078\u306eSPD\u8a2d\u7f6e\u3092\u7fa9\u52d9\u4ed8\u3051\u3066\u304a\u308a\u3001\u5177\u4f53\u7684\u306a\u8a2d\u7f6e\u5834\u6240\u3001\u63a5\u7d9a\u65b9\u6cd5\u3001\u30e9\u30d9\u30ea\u30f3 \u30b0\u304c\u8981\u6c42\u3055\u308c\u3066\u3044\u308b\u3002<br>2.\u4fdd\u8b77\u52b9\u679c\u306b\u5f71\u97ff\u3059\u308b\u91cd\u8981\u306a\u6027\u80fd\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u3001\u63a5\u5730\u5c0e\u4f53\u9577\u3092\u6700\u5927 300mm \u306b\u6700\u5c0f\u5316\u3059\u308b\u3002<br>3.\u30e1\u30fc\u30ab\u30fc\u6307\u5b9a\u306e\u7aef\u5b50\u30c8\u30eb\u30af\u3092\u9054\u6210\u3059\u308b\u6821\u6b63\u3055\u308c\u305f\u30c8\u30eb\u30af\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3001\u65e9\u671f\u6545\u969c\u306e\u539f\u56e0\u3068\u306a\u308b\u9ad8\u62b5\u6297\u63a5\u7d9a\u3092\u9632\u6b62\u3059\u308b\u3002<br>4.\u30b7\u30b9\u30c6\u30e0\u306b\u96fb\u6e90\u3092\u6295\u5165\u3059\u308b\u524d\u306b\u3001\u63a5\u5730\u306e\u5c0e\u901a\u3001\u6975\u6027\u3001\u7d76\u7e01\u62b5\u6297\u3001\u56de\u8def\u306e\u5b8c\u5168\u6027\u3092\u78ba\u8a8d\u3059\u308b\u901a\u96fb\u524d\u8a66\u9a13\u3092\u5b8c\u4e86\u3059\u308b\u3002<br>5.\u6cd5\u4ee4\u9075\u5b88\u3092\u8a3c\u660e\u3057\u3001\u5c06\u6765\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3001\u5199\u771f\u3001\u8a66\u9a13\u5831\u544a\u66f8\u3001\u65bd\u5de5\u56f3\u306a\u3069\u3092\u542b\u3080\u5305\u62ec\u7684\u306a\u6587\u66f8\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u9069\u5207\u306a\u8a2d\u7f6e\u6280\u8853\u306f\u3001\u30b5\u30fc\u30b8\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0\u304c\u8a2d\u8a08\u901a\u308a\u306b\u6a5f\u80fd\u3059\u308b\u304b\u3001\u6700\u521d\u306e\u5927\u304d\u306a\u30b5\u30fc\u30b8\u767a\u751f\u6642\u306b\u6545\u969c\u3057\u3066\u9ad8\u4fa1\u306a\u6a5f\u5668\u304c\u7121\u9632\u5099\u306b\u306a\u308b\u304b\u3092\u76f4\u63a5\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u5de5\u5177\u306e\u4f7f\u7528\u3001\u4f53\u7cfb\u7684\u306a\u624b\u9806\u3078\u306e\u6e96\u62e0\u3001\u5fb9\u5e95\u7684\u306a\u30c6\u30b9\u30c8\u306a\u3069\u3001\u8cea\u306e\u9ad8\u3044\u8a2d\u7f6e\u65b9\u6cd5\u3078\u306e\u6295\u8cc7\u306f\u3001\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u4fee\u6b63\u4f5c\u696d\u3092\u884c\u3046\u3053\u3068\u306a\u304f\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u4f5c\u3068\u96fb\u6c17\u691c\u67fb\u306e\u627f\u8a8d\u306b\u3088\u3063\u3066\u5229\u76ca\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u95a2\u9023\u30ea\u30bd\u30fc\u30b9<\/strong><br>- <a href=\"https:\/\/sinobreaker.com\/ja\/%e7%9b%b4%e6%b5%81%e5%9b%9e%e8%bb%a2%e6%95%b0\/\">DC SPD\u914d\u7dda\u56f3\uff1a\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a><br>- <a href=\"https:\/\/sinobreaker.com\/ja\/%e7%9b%b4%e6%b5%81%e5%9b%9e%e8%bb%a2%e6%95%b0\/\">\u76f4\u6d41\u30b5\u30fc\u30b8\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\uff1a\u30de\u30eb\u30c1\u30b9\u30c6\u30fc\u30b8\u306e\u8abf\u6574<\/a><br>- <a href=\"https:\/\/sinobreaker.com\/ja\/%e7%9b%b4%e6%b5%81%e5%9b%9e%e8%bb%a2%e6%95%b0\/\">1000V DC SPD\u306e\u9078\u629e\uff1a\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u898f\u6a21\u306e\u8981\u4ef6<\/a><\/p>\n\n\n\n<p><strong>\u592a\u967d\u5149\u767a\u96fb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u6cd5\u4ee4\u306b\u6e96\u62e0\u3057\u305f\u30b5\u30fc\u30b8\u4fdd\u8b77\u3092\u8a2d\u7f6e\u3059\u308b\u6e96\u5099\u306f\u3067\u304d\u3066\u3044\u307e\u3059\u304b\uff1f<\/strong> \u8a2d\u7f6e\u652f\u63f4\u3001\u691c\u67fb\u524d\u5be9\u67fb\u3001\u8a66\u904b\u8ee2\u30ac\u30a4\u30c0\u30f3\u30b9\u306b\u3064\u3044\u3066\u306f\u3001\u5f53\u793e\u306e\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u30c1\u30fc\u30e0\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p><strong>\u6700\u7d42\u66f4\u65b0\u65e5<\/strong> 2025\u5e7411\u6708<br><strong>\u8457\u8005<\/strong> SYNODE\u30c6\u30af\u30cb\u30ab\u30eb\u30c1\u30fc\u30e0<br><strong>\u30ec\u30d3\u30e5\u30fc<\/strong> \u30d5\u30a3\u30fc\u30eb\u30c9\u30fb\u30a4\u30f3\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30fb\u30b5\u30fc\u30d3\u30b9\u90e8<\/p>","protected":false},"excerpt":{"rendered":"<p>Understanding surge protection DC installation requirements ensures code-compliant photovoltaic system protection meeting NEC 690.35 standards. This comprehensive installation guide examines proper SPD placement techniques, grounding electrode installation methods, conductor termination procedures, and inspection protocols. Electrical contractors and installers will find detailed compliance checklists, installation best practices, and authority having jurisdiction (AHJ) acceptance strategies for professional-grade surge protection installations. Installing surge protection DC devices requires more than mounting components in enclosures. NEC 690.35 establishes mandatory requirements for SPD installation location, connection methods, disconnecting means, and ground fault protection integration. Compliant installations protect against surge damage while satisfying electrical inspection requirements preventing project delays and costly reinstallation work. Proper installation techniques also [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3136,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[],"class_list":["post-3141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dc-spd"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/sinobreaker.com\/ja\/wp-json\/wp\/v2\/posts\/3141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinobreaker.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinobreaker.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinobreaker.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sinobreaker.com\/ja\/wp-json\/wp\/v2\/comments?post=3141"}],"version-history":[{"count":2,"href":"https:\/\/sinobreaker.com\/ja\/wp-json\/wp\/v2\/posts\/3141\/revisions"}],"predecessor-version":[{"id":3245,"href":"https:\/\/sinobreaker.com\/ja\/wp-json\/wp\/v2\/posts\/3141\/revisions\/3245"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinobreaker.com\/ja\/wp-json\/wp\/v2\/media\/3136"}],"wp:attachment":[{"href":"https:\/\/sinobreaker.com\/ja\/wp-json\/wp\/v2\/media?parent=3141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinobreaker.com\/ja\/wp-json\/wp\/v2\/categories?post=3141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinobreaker.com\/ja\/wp-json\/wp\/v2\/tags?post=3141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}