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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。。。。。。。& T5 U1 R7 r/ L
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* u' N6 {* b4 x# g4 k- q4 u( p& a21.11 Any assembly gap with a width greater than 0,3 mm in supplementary insulation shall
' T* f8 l r0 \9 [- m, T" g. Znot be coincidental with any such gap in basic insulation, neither shall any such gap in! s, k, M5 u/ d5 Z4 Z
reinforced insulation give direct access to live parts.
8 N- J% f/ a' JCompliance is checked by inspection and measurement.' D- Z1 E; k7 C' y! D- J+ Y
21.12 Class II tools or class II constructions, other than those of the all-insulated type, shall be4 G- r8 Y. |1 w0 v
provided with insulating barriers between accessible metal and motor parts and other live parts. |
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