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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。。。。。。。5 u4 k7 a) \) c, X8 @
En60745: @6 m! g+ A6 O' L/ [/ |6 v
21.11 Any assembly gap with a width greater than 0,3 mm in supplementary insulation shall
# n( ]" E8 R$ E- Rnot be coincidental with any such gap in basic insulation, neither shall any such gap in
" }4 ], H- A* n9 x5 T; [3 Sreinforced insulation give direct access to live parts." ]" p+ V; d3 e! L! h. I/ {
Compliance is checked by inspection and measurement.
4 L7 ^8 B( C- u2 C; l3 k7 A21.12 Class II tools or class II constructions, other than those of the all-insulated type, shall be
- x8 O" E5 W. y5 b8 Q; Iprovided with insulating barriers between accessible metal and motor parts and other live parts. |
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