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楼主 |
发表于 2007-7-24 15:26
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感谢各位的意见!长见识了。但似乎标准上比较明确的指出了这种结构的不符合性。还是在困惑中。。。。。。。& T8 K7 R! {- V. ~( ^
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]) M, H" p" m9 E6 x6 R- @21.11 Any assembly gap with a width greater than 0,3 mm in supplementary insulation shall
5 |! d/ u; a8 K1 Q8 x$ C0 D3 K- ^0 Qnot be coincidental with any such gap in basic insulation, neither shall any such gap in
4 r. D0 g( u: \8 I5 ~8 dreinforced insulation give direct access to live parts.
7 f' @3 ^ E6 M- s5 B9 @) yCompliance is checked by inspection and measurement.
+ {2 v) _" I4 I8 o% C21.12 Class II tools or class II constructions, other than those of the all-insulated type, shall be
. | x( f9 v, {" ?: }3 Tprovided with insulating barriers between accessible metal and motor parts and other live parts. |
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