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若果焊接处失效掉落仍满足附加绝缘的要求的话,就不用勾焊了。( i& U, u4 H0 e" v- T
如果不能,需要点胶,勾焊或者扎带固定。' [7 G) t! |# J3 G$ F% S
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22.31 Clearances and creepage distances over supplementary insulation and3 `$ I, f0 k( ?5 R" D) _/ b
reinforced insulation shall not be reduced below the values specified in clause 29 as a
% V& g" y& q0 nresult of wear. If a part, such as a wire, screw, nut or spring, becomes loose or falls out of4 Y" [9 w; o+ p6 P) _. S
position, clearances and creepage distances between live parts and accessible parts shall6 Y/ v6 T! O) R0 m; p
not be reduced below the values specified for supplementary insulation.7 E" C( E+ D0 z5 ]1 T" t; A
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--wires connected by soldering are not considered to be adequately fixed unless they are held in place near the( V3 R' x5 v; r( J
terminals independently of the solder; |
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