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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。
% @! }* @; E' i4 |' Z) J- c9 m如果不能,需要点胶,勾焊或者扎带固定。/ o, Y7 a7 o- h- F+ W4 A: M; u+ O
3 P1 \5 Y% f" C" E: y22.31 Clearances and creepage distances over supplementary insulation and) W/ }, J" ?3 a- Y* I" \ M% k
reinforced insulation shall not be reduced below the values specified in clause 29 as a% J" U- d. S, ]9 Q. b) G' E# e
result of wear. If a part, such as a wire, screw, nut or spring, becomes loose or falls out of
1 R% _; s* h* N; dposition, clearances and creepage distances between live parts and accessible parts shall
' V. y L$ }' ~9 S. Cnot be reduced below the values specified for supplementary insulation.1 G5 ?; a0 t8 i E# |$ W" P
& x. e4 Q( A9 T% H& W. k( `, G--wires connected by soldering are not considered to be adequately fixed unless they are held in place near the
1 N# v& e1 A: gterminals independently of the solder; |
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