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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.
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8.2……………..主要说明只能碰到被带电体隔开的加强绝缘或双重绝缘。
% i& _4 h; M& S$ A9 l; UNote: (A2): buit-in appiance and fixed appliance are tested after install 6 E( u8 X- c$ W* l& _ w4 k4 U$ X
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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?& W; O0 Z+ L3 D3 L+ q
Fixed appliance 的定义 (为什么说需要特殊的工具?)
$ h. s7 e& E- p9 PApplilance that is intended to be used while fastened to a support or while ssecured in a specific location % G4 X& C0 W" x8 B/ }& [. z+ `% ]4 Q
Built-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)& _) U6 v( G' B" F% _
Fixed appliance intended to be installed in cabinet, in a prepared recess in a wall or in a similar location ) g$ [! C' Y+ {) m3 f+ U4 H9 ?
1 W3 s' I% M) y可靠固定的附加要求可以参考一些分标准。如。-2-80, -2-302 z* T& ?; x4 f
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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