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8.1.5 Live part of built-in appliances, fixed appliances and appliances delivered in separate units, shall be protected at least by basic insulation before installation or assemble.5 D" T: e3 N8 {& q: D
5 x1 Z0 T( Z$ W% g# z8.2……………..主要说明只能碰到被带电体隔开的加强绝缘或双重绝缘。( l% N' @# Z- R7 j$ n' K
Note: (A2): buit-in appiance and fixed appliance are tested after install
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% G% S+ Q) `! n z2 P& D再举个 delivered in separate units 的例子。 很多风扇都是你买来后自己装扇叶等一大堆东西。这个时候怎么可能满足加强绝缘?
9 Z6 A; d p' x b/ D- V5 oFixed appliance 的定义 (为什么说需要特殊的工具?): ] g% k# {- ~4 _
Applilance that is intended to be used while fastened to a support or while ssecured in a specific location
4 P" N$ m6 Q4 SBuilt-in appliance (嵌入式的定义最能说明固定式器具,不需要工具,就能随便取下。大部分-2-6的烤箱都能用手搬进搬出)/ R- n; G h( O' ~
Fixed appliance intended to be installed in cabinet, in a prepared recess in a wall or in a similar location
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可靠固定的附加要求可以参考一些分标准。如。-2-80, -2-30
" k) {5 S6 V, G( {0 }5 I太久没看忘记了,一般都在 note 里面举了一些例子说明怎么样才算可靠固定。 |
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