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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。. ?3 n. d2 F* ]5 O# j$ R8 h
如果不能,需要点胶,勾焊或者扎带固定。7 J& U2 ]# v, X# Z# }$ t: M
" I; {# k4 }& H5 \6 |22.31 Clearances and creepage distances over supplementary insulation and
+ U; d* K: o w8 wreinforced insulation shall not be reduced below the values specified in clause 29 as a
/ Q" j/ N9 [) Z$ V: hresult of wear. If a part, such as a wire, screw, nut or spring, becomes loose or falls out of8 p# \" k+ c* D2 M1 r3 t
position, clearances and creepage distances between live parts and accessible parts shall# I4 e& C& |+ Y( I
not be reduced below the values specified for supplementary insulation.0 j: i0 Q- Z' x) T( h4 ]6 D
5 `: c" [( ^7 D+ p6 G7 f" A3 g--wires connected by soldering are not considered to be adequately fixed unless they are held in place near the
! [6 {% [$ M' f! iterminals independently of the solder; |
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