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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。
\1 u" [0 _/ P) j3 C9 i# x如果不能,需要点胶,勾焊或者扎带固定。9 `% e2 [) y" |+ v+ B
% b f: X( w- U- l22.31 Clearances and creepage distances over supplementary insulation and
2 O6 {2 c3 V! C; O0 o& @) |$ s0 \reinforced insulation shall not be reduced below the values specified in clause 29 as a
$ i6 P6 `7 U3 C1 T! y3 s0 zresult of wear. If a part, such as a wire, screw, nut or spring, becomes loose or falls out of+ @5 Z6 y6 ^# m9 d% o! f, a
position, clearances and creepage distances between live parts and accessible parts shall4 B# x) B5 e! G$ D+ y) e$ ?- W7 `
not be reduced below the values specified for supplementary insulation.; W8 h" _. ^# v" S
! v k3 `+ {- z% F, q) n+ @; o
--wires connected by soldering are not considered to be adequately fixed unless they are held in place near the. h1 B0 f2 S8 s# ] G5 V% D5 L3 U
terminals independently of the solder; |
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