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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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) i) X* R8 A1 L6 n# D21.11 Any assembly gap with a width greater than 0,3 mm in supplementary insulation shall
7 n5 D8 D4 P, S. z2 {not be coincidental with any such gap in basic insulation, neither shall any such gap in+ K, @& ~1 a" y: D5 ]
reinforced insulation give direct access to live parts.5 c) @, x7 V; |; j l4 Y. M" A
Compliance is checked by inspection and measurement.! R$ d) K! h6 @' Q9 i4 Z) G2 ^
21.12 Class II tools or class II constructions, other than those of the all-insulated type, shall be! p2 C8 [0 ]- i8 J) P4 P% w
provided with insulating barriers between accessible metal and motor parts and other live parts. |
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