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28.2Electrical connections and connections providing earthing continuity shall be
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liable to shrink or to distort unless there is sufficient resiliency in the metallic parts to/ C, f5 k% R" m4 v2 `1 {% Q2 D
compensate for any possible shrinkage or distortion of the insulating material.9 M7 Z9 O5 T0 F4 N- t
NOTE Ceramic material is not liable to shrink or to distort.
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用塑料来达到这个要求恐怕很难,标准里说陶瓷可以满足要求。 |
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