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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。: Y4 L: f0 @+ _/ M, S
如果不能,需要点胶,勾焊或者扎带固定。 m7 x+ R# H1 o; D* \' F8 o
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22.31 Clearances and creepage distances over supplementary insulation and
5 }! F2 x* J( Jreinforced insulation shall not be reduced below the values specified in clause 29 as a) R7 G' j- G" L
result of wear. If a part, such as a wire, screw, nut or spring, becomes loose or falls out of/ Q% C U+ u5 [0 R0 n7 i' O
position, clearances and creepage distances between live parts and accessible parts shall. j) l3 t# P8 ]- W6 s! Z( F: Q
not be reduced below the values specified for supplementary insulation.) M. |# l" h7 c1 y
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--wires connected by soldering are not considered to be adequately fixed unless they are held in place near the
: z% J9 {0 ^/ A; s6 Z% N! P+ a4 Oterminals independently of the solder; |
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