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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。/ f0 ^; R/ ^ _5 I, U
如果不能,需要点胶,勾焊或者扎带固定。
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7 X: C9 Z+ C% q% H$ }* f22.31 Clearances and creepage distances over supplementary insulation and5 A' ~: P9 g* b2 h: Z- `0 _* h
reinforced insulation shall not be reduced below the values specified in clause 29 as a
/ b1 D7 A5 W6 |1 U4 Uresult of wear. If a part, such as a wire, screw, nut or spring, becomes loose or falls out of
( Z8 m' X; h c) y/ X- `position, clearances and creepage distances between live parts and accessible parts shall
3 X- Z6 r( m6 Pnot be reduced below the values specified for supplementary insulation.! E# C+ i) |- _: T. X* y4 m
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--wires connected by soldering are not considered to be adequately fixed unless they are held in place near the1 M* o' e' v. h- p# d+ N! E
terminals independently of the solder; |
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