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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。; M3 x* N4 I* J: c0 F% {; C; a
如果不能,需要点胶,勾焊或者扎带固定。
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22.31 Clearances and creepage distances over supplementary insulation and& v/ `1 D) X1 b9 t; r o* V1 e
reinforced insulation shall not be reduced below the values specified in clause 29 as a
% X1 y. Z2 H( ], I9 A/ K0 Lresult of wear. If a part, such as a wire, screw, nut or spring, becomes loose or falls out of. T) w3 W5 |: p2 f
position, clearances and creepage distances between live parts and accessible parts shall
5 g0 E: ]% X. ~. ?' Bnot be reduced below the values specified for supplementary insulation.
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--wires connected by soldering are not considered to be adequately fixed unless they are held in place near the2 ^5 Z" m3 x& k1 O' Z, b
terminals independently of the solder; |
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