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如果套管厚度没有1.0 mm厚,能满足23.3 ??- _$ T4 o2 h; X& a* M; E
23.3 Different parts of an appliance that can move relative to each other in normal use or9 f5 u7 D- q9 l0 w. F+ E
during user maintenance shall not cause undue stress to electrical connections and internal% \; v7 v8 n6 q+ \+ N$ }6 b" k
conductors, including those providing earthing continuity. Flexible metallic tubes shall not4 W: \3 m' q, D, f9 R
cause damage to the insulation of the conductors contained within them. Open-coil springs2 H- q7 Z8 }6 s) f- _
shall not be used to protect the wiring. If a coiled spring, the turns of which touch one another,
* [5 U% k7 y+ jis used for this purpose, there shall be an adequate insulating lining in addition to the
' M3 m+ ^1 _8 Y# b, U6 einsulation of the conductors. |
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