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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。7 b/ l V! B- Y1 x
如果不能,需要点胶,勾焊或者扎带固定。
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) {2 H" U7 P& {4 P& R4 E" {22.31 Clearances and creepage distances over supplementary insulation and2 S) L( A+ j: m1 B
reinforced insulation shall not be reduced below the values specified in clause 29 as a
/ n1 _' a% v1 U; iresult of wear. If a part, such as a wire, screw, nut or spring, becomes loose or falls out of
, h& V* I- ~% W* c6 E) ~! Z, e7 Qposition, clearances and creepage distances between live parts and accessible parts shall8 E( J% \( n9 k9 v! ]; H
not be reduced below the values specified for supplementary insulation.% @9 G: H8 E1 m" F. r* l
: i! r( [+ G4 ?/ t0 K--wires connected by soldering are not considered to be adequately fixed unless they are held in place near the5 Z" D" x3 K, f/ }$ v6 H
terminals independently of the solder; |
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