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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。! Y# P8 T- m/ n- P0 V3 N& U
如果不能,需要点胶,勾焊或者扎带固定。! L; c' B7 D4 T7 [
; U0 e5 Q8 d$ L9 A( q: l22.31 Clearances and creepage distances over supplementary insulation and* R0 r6 e7 i/ y; [
reinforced insulation shall not be reduced below the values specified in clause 29 as a& k) W/ G( ^3 ]
result of wear. If a part, such as a wire, screw, nut or spring, becomes loose or falls out of* h) f7 n7 z5 y: ?- o
position, clearances and creepage distances between live parts and accessible parts shall, {- O" [1 c7 g% C
not be reduced below the values specified for supplementary insulation.
! P3 U1 C$ V j: T' l6 o+ U. R8 O* o; q$ _' r
--wires connected by soldering are not considered to be adequately fixed unless they are held in place near the
! _5 U8 k+ O: G% Yterminals independently of the solder; |
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