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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。. T: v" \$ Y% R& C; U
如果不能,需要点胶,勾焊或者扎带固定。7 s; x( N3 o* I5 Y
' z, Z/ p8 i! V+ O7 }22.31 Clearances and creepage distances over supplementary insulation and, z7 `7 k9 G. L
reinforced insulation shall not be reduced below the values specified in clause 29 as a7 E) o& n4 q+ f6 v7 O
result of wear. If a part, such as a wire, screw, nut or spring, becomes loose or falls out of4 @# ~# `! L& {5 C0 N: f1 w
position, clearances and creepage distances between live parts and accessible parts shall3 e u, H+ I$ o/ ?( D9 H
not be reduced below the values specified for supplementary insulation.: T! U. K* C9 y. |4 x6 p
) A: g" N' ?) O, N( D* I6 j7 T) M
--wires connected by soldering are not considered to be adequately fixed unless they are held in place near the
" Q1 b, @" B" n- q; {0 p3 Nterminals independently of the solder; |
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