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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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21.11 Any assembly gap with a width greater than 0,3 mm in supplementary insulation shall) H3 D5 u+ n( c. C( t! r
not be coincidental with any such gap in basic insulation, neither shall any such gap in
) J2 @! c2 { P; U2 H" l7 N% F& Preinforced insulation give direct access to live parts.
5 l8 C2 \# j* n( x) \+ LCompliance is checked by inspection and measurement.4 \0 j9 I( W6 a; P+ K
21.12 Class II tools or class II constructions, other than those of the all-insulated type, shall be
$ p* ?1 R6 p7 ^6 Hprovided with insulating barriers between accessible metal and motor parts and other live parts. |
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