{"id":590,"date":"2024-08-26T18:07:06","date_gmt":"2024-08-26T16:07:06","guid":{"rendered":"https:\/\/gezhi-tech.com\/?p=590"},"modified":"2025-09-27T17:50:23","modified_gmt":"2025-09-27T15:50:23","slug":"clause-3-how-to-understand-the-definition-of-class-iii-construction","status":"publish","type":"post","link":"https:\/\/gezhi-tech.com\/ja\/clause-3-how-to-understand-the-definition-of-class-iii-construction\/","title":{"rendered":"\u7b2c\uff13\u9805 \u300c\u7b2c\uff13\u7a2e\u5efa\u7bc9\u7269\u300d\u306e\u5b9a\u7fa9\u306e\u898b\u65b9"},"content":{"rendered":"\u30af\u30e9\u30b9\u2162\u69cb\u9020\uff1a\u611f\u96fb\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u304c\u5b89\u5168\u7279\u5225\u4f4e\u96fb\u5727\u306b\u4f9d\u5b58\u3057\u3066\u304a\u308a\u3001\u5b89\u5168\u7279\u5225\u4f4e\u96fb\u5727\u4ee5\u4e0a\u306e\u96fb\u5727\u304c\u767a\u751f\u3057\u306a\u3044\u6a5f\u5668\u306e\u4e00\u90e8
\u6ce8\u8a18 SELV \u3067\u306e\u4f9b\u7d66\u306b\u52a0\u3048\u3066\u3001\u57fa\u790e\u7d76\u7e01\u304c\u5fc5\u8981\u306a\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 8.1.4\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002
\u6ce8 2 \u6a5f\u5668\u306e\u4e3b\u8981\u90e8\u5206\u304c SELV \u3067\u52d5\u4f5c\u3057\u3001\u53d6\u308a\u5916\u3057\u53ef\u80fd\u306a\u96fb\u6e90\u30e6\u30cb\u30c3\u30c8\u3068\u4e00\u7dd2\u306b\u7d0d\u5165\u3055\u308c\u308b\u5834\u5408\u3001\u6a5f\u5668\u306e\u3053\u306e\u4e3b\u8981\u90e8\u5206\u306f\u30af\u30e9\u30b9 I \u6a5f\u5668\u307e\u305f\u306f\u30af\u30e9\u30b9 II \u6a5f\u5668\u306e\u30af\u30e9\u30b9 III \u69cb\u9020\u3068\u307f\u306a\u3055\u308c\u307e\u3059\u3002 <\/s><\/em>
\n\u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u53ef\u80fd\u306a\u30a2\u30c0\u30d7\u30bf\u30fc (\u4fdd\u8b77\u63a5\u5730\u306a\u3057) \u306b\u3088\u3063\u3066\u96fb\u529b\u3092\u4f9b\u7d66\u3055\u308c\u3001\u30a2\u30c0\u30d7\u30bf\u30fc\u3068\u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306f\u4e00\u7dd2\u306b\u30e6\u30fc\u30b6\u30fc\u306b\u914d\u9001\u3055\u308c\u307e\u3059\u3002\u30a2\u30c0\u30d7\u30bf\u30fc\u3068\u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306f\u5408\u308f\u305b\u3066\u30af\u30e9\u30b9 II \u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3068\u3057\u3066\u5224\u65ad\u3055\u308c\u307e\u3059\u3002\u30a2\u30c0\u30d7\u30bf\u30fc\u306f\u30af\u30e9\u30b9 II \u3067\u3042\u308b\u305f\u3081\u3001\u3053\u308c\u306b\u3088\u3063\u3066\u611f\u96fb\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u306e\u30af\u30e9\u30b9\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6a5f\u5668 – \u30d5\u30a1\u30f3\u306e\u307f\u306f\u30af\u30e9\u30b9 III \u69cb\u9020\u3001\u3064\u307e\u308a\u30af\u30e9\u30b9 II \u6a5f\u5668\u5185\u306e\u30af\u30e9\u30b9 III \u69cb\u9020\u3067\u3059\u3002
\n

\n\"\"
\n<\/figure>
\n\u3082\u3061\u308d\u3093\u3001\u30b9\u30a4\u30c3\u30c1\u96fb\u6e90 PCB \u304c\u6a5f\u5668\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u304a\u308a\u3001\u3053\u306e\u30b9\u30a4\u30c3\u30c1\u96fb\u6e90 PCB \u304c SELV \u56de\u8def\u3092\u63d0\u4f9b\u3067\u304d\u308b\u3068\u3044\u3046\u5225\u306e\u72b6\u6cc1\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u3057\u3066\u3001SELV\u56de\u8def\u90e8\u5206\u306f\u30af\u30e9\u30b9II\u69cb\u9020\u3068\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002
\n
\nOf course, there is another situation, that is, a switch power supply PCB is embedded in the appliance, and this switch power supply PCB can provide a SELV circuit. Then, the SELV circuit part constitutes class II construction<\/strong><\/a>.
","protected":false},"excerpt":{"rendered":"

\u30af\u30e9\u30b9\u2162\u69cb\u9020\uff1a\u611f\u96fb\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u304c\u5b89\u5168\u7279\u5225\u4f4e\u96fb\u5727\u306b\u4f9d\u5b58\u3057\u3066\u304a\u308a\u3001\u5b89\u5168\u7279\u5225\u4f4e\u96fb\u5727\u4ee5\u4e0a\u306e\u96fb\u5727\u304c\u767a\u751f\u3057\u306a\u3044\u6a5f\u5668\u306e\u4e00\u90e8\u6ce8\u8a18 SELV \u3067\u306e\u4f9b\u7d66\u306b\u52a0\u3048\u3066\u3001\u57fa\u790e\u7d76\u7e01\u304c\u5fc5\u8981\u306a\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 8.1.4\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6ce8 2 \u6a5f\u5668\u306e\u4e3b\u8981\u90e8\u5206\u304c SELV \u3067\u52d5\u4f5c\u3057\u3001\u53d6\u308a\u5916\u3057\u53ef\u80fd\u306a\u96fb\u6e90\u30e6\u30cb\u30c3\u30c8\u3068\u4e00\u7dd2\u306b\u7d0d\u5165\u3055\u308c\u308b\u5834\u5408\u3001\u6a5f\u5668\u306e\u3053\u306e\u4e3b\u8981\u90e8\u5206\u306f\u30af\u30e9\u30b9 I \u6a5f\u5668\u307e\u305f\u306f\u30af\u30e9\u30b9 II \u6a5f\u5668\u306e\u30af\u30e9\u30b9 III \u69cb\u9020\u3068\u307f\u306a\u3055\u308c\u307e\u3059\u3002 \u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u53ef\u80fd\u306a\u30a2\u30c0\u30d7\u30bf\u30fc (\u4fdd\u8b77\u63a5\u5730\u306a\u3057) \u306b\u3088\u3063\u3066\u96fb\u529b\u3092\u4f9b\u7d66\u3055\u308c\u3001\u30a2\u30c0\u30d7\u30bf\u30fc\u3068\u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306f\u4e00\u7dd2\u306b\u30e6\u30fc\u30b6\u30fc\u306b\u914d\u9001\u3055\u308c\u307e\u3059\u3002\u30a2\u30c0\u30d7\u30bf\u30fc\u3068\u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306f\u5408\u308f\u305b\u3066\u30af\u30e9\u30b9 II \u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3068\u3057\u3066\u5224\u65ad\u3055\u308c\u307e\u3059\u3002\u30a2\u30c0\u30d7\u30bf\u30fc\u306f\u30af\u30e9\u30b9 II \u3067\u3042\u308b\u305f\u3081\u3001\u3053\u308c\u306b\u3088\u3063\u3066\u611f\u96fb\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u306e\u30af\u30e9\u30b9\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6a5f\u5668 – \u30d5\u30a1\u30f3\u306e\u307f\u306f\u30af\u30e9\u30b9 III \u69cb\u9020\u3001\u3064\u307e\u308a\u30af\u30e9\u30b9 II \u6a5f\u5668\u5185\u306e\u30af\u30e9\u30b9 III \u69cb\u9020\u3067\u3059\u3002 \u3082\u3061\u308d\u3093\u3001\u30b9\u30a4\u30c3\u30c1\u96fb\u6e90 PCB \u304c\u6a5f\u5668\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u304a\u308a\u3001\u3053\u306e\u30b9\u30a4\u30c3\u30c1\u96fb\u6e90 PCB \u304c SELV \u56de\u8def\u3092\u63d0\u4f9b\u3067\u304d\u308b\u3068\u3044\u3046\u5225\u306e\u72b6\u6cc1\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u3057\u3066\u3001SELV\u56de\u8def\u90e8\u5206\u306f\u30af\u30e9\u30b9II\u69cb\u9020\u3068\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002 Of course, there is another situation, that is, a switch power supply PCB is embedded in the appliance, and…<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[5],"tags":[74,83,86,90,163],"class_list":["post-590","post","type-post","status-publish","format-standard","hentry","category-terms-and-definitions","tag-insulation-applied-to-live-parts-to-provide-basic-protection-against-electric-shock","tag-appliance-in-which-protection-against-electric-shock-does-not-rely-on-basic-insulation-only-but-in-which-additional-safety-precautions-are-provided-such-as-double-insulation-or-reinforced-insulation","tag-part-of-an-appliance-for-which-protection-against-electric-shock-relies-upon-safety-extra-low-voltage-and-in-which-voltages-higher-than-those-of-safety-extra-low-voltage-are-not-generated","tag-voltage-not-exceeding-42-v-between-conductors-and-between-conductors-and-earth-or-functional-earth-the-no-load-voltage-not-exceeding-50-v","tag-selv"],"translation":{"provider":"WPGlobus","version":"3.0.1","language":"ja","enabled_languages":["en","es","ar","de","ja","fr","ru","th","nl","it","fa","ko","pt","hi","ro","tr","vi","id","zu"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"nl":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"fa":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"ro":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"zu":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/gezhi-tech.com\/ja\/wp-json\/wp\/v2\/posts\/590","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gezhi-tech.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gezhi-tech.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gezhi-tech.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gezhi-tech.com\/ja\/wp-json\/wp\/v2\/comments?post=590"}],"version-history":[{"count":29,"href":"https:\/\/gezhi-tech.com\/ja\/wp-json\/wp\/v2\/posts\/590\/revisions"}],"predecessor-version":[{"id":1984,"href":"https:\/\/gezhi-tech.com\/ja\/wp-json\/wp\/v2\/posts\/590\/revisions\/1984"}],"wp:attachment":[{"href":"https:\/\/gezhi-tech.com\/ja\/wp-json\/wp\/v2\/media?parent=590"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gezhi-tech.com\/ja\/wp-json\/wp\/v2\/categories?post=590"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gezhi-tech.com\/ja\/wp-json\/wp\/v2\/tags?post=590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}