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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。。。。。。。8 }7 {6 p/ b* h" p: I$ c, e1 M
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0 O% a; |& R) y3 o/ a4 ~5 S21.11 Any assembly gap with a width greater than 0,3 mm in supplementary insulation shall
5 y% J. k/ O. N( Z6 Rnot be coincidental with any such gap in basic insulation, neither shall any such gap in
/ B- {7 \/ w# d& o' E! [/ u% Creinforced insulation give direct access to live parts.8 P- ^5 G; x# @
Compliance is checked by inspection and measurement.
+ F' \8 K: B$ }21.12 Class II tools or class II constructions, other than those of the all-insulated type, shall be
0 r+ S$ ^; B- j6 Iprovided with insulating barriers between accessible metal and motor parts and other live parts. |
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