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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。。。。。。。
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21.11 Any assembly gap with a width greater than 0,3 mm in supplementary insulation shall* K- x' L6 M% z0 p' F9 L% V
not be coincidental with any such gap in basic insulation, neither shall any such gap in
+ p2 t; p/ A9 \9 Lreinforced insulation give direct access to live parts.
. P- z/ G: L% tCompliance is checked by inspection and measurement.+ J. B& \. \) H* n
21.12 Class II tools or class II constructions, other than those of the all-insulated type, shall be, }2 i5 m- t z. Z* p* n6 y- K( l
provided with insulating barriers between accessible metal and motor parts and other live parts. |
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