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如果套管厚度没有1.0 mm厚,能满足23.3 ??
7 H1 }3 w/ T+ f9 a, O23.3 Different parts of an appliance that can move relative to each other in normal use or
) X y p# Y. H. yduring user maintenance shall not cause undue stress to electrical connections and internal
! a& L j" M9 i/ D' H3 }conductors, including those providing earthing continuity. Flexible metallic tubes shall not3 C( L4 E! f" b9 V8 B) I
cause damage to the insulation of the conductors contained within them. Open-coil springs0 D I ~ d8 _) H. `7 L ^
shall not be used to protect the wiring. If a coiled spring, the turns of which touch one another,8 C% d0 {- E8 i
is used for this purpose, there shall be an adequate insulating lining in addition to the7 [3 H$ c9 U% b9 R0 j% y. X' u- H4 h9 V
insulation of the conductors. |
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