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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。。。。。。。6 ]4 C# d X$ O7 t5 z+ Q7 K
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0 V3 J) r, E7 d r0 ^1 W, y& U3 B; w21.11 Any assembly gap with a width greater than 0,3 mm in supplementary insulation shall4 s# @. j* N8 ^# w& X
not be coincidental with any such gap in basic insulation, neither shall any such gap in
' H% X P+ Z/ [2 ~ treinforced insulation give direct access to live parts.( U. `: {* V/ H
Compliance is checked by inspection and measurement.+ q# }* T7 C5 o' n0 Z3 e
21.12 Class II tools or class II constructions, other than those of the all-insulated type, shall be
! Z. U; \5 H& p+ @% U6 r, d- zprovided with insulating barriers between accessible metal and motor parts and other live parts. |
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