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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。5 I, l: l6 v" w& ?# i9 o4 D
如果不能,需要点胶,勾焊或者扎带固定。
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* h; V# J* |" G2 B, M22.31 Clearances and creepage distances over supplementary insulation and: c- J8 v! W+ ?' ^
reinforced insulation shall not be reduced below the values specified in clause 29 as a
/ R6 l* y" r$ [3 x/ U, l% J0 O* Zresult of wear. If a part, such as a wire, screw, nut or spring, becomes loose or falls out of
3 L+ P/ o) h Y; P" _( j9 G* F Pposition, clearances and creepage distances between live parts and accessible parts shall
; w$ i: ]5 m S: jnot be reduced below the values specified for supplementary insulation.
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( s2 ?' b+ d. A1 S8 j2 u: [4 _--wires connected by soldering are not considered to be adequately fixed unless they are held in place near the9 u4 I c7 R. V9 w. _$ s; O- V
terminals independently of the solder; |
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