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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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. E4 h! V% M' b5 P: }7 A21.11 Any assembly gap with a width greater than 0,3 mm in supplementary insulation shall
. ]; s( Y3 F9 e1 inot be coincidental with any such gap in basic insulation, neither shall any such gap in
9 g" m t$ h" b. Kreinforced insulation give direct access to live parts.' P+ F- e; G, I0 u' j6 x. |( c [9 c
Compliance is checked by inspection and measurement.
3 Y4 C& ~' p+ r" T$ H2 V21.12 Class II tools or class II constructions, other than those of the all-insulated type, shall be' M, m: O: m( }1 a% x
provided with insulating barriers between accessible metal and motor parts and other live parts. |
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