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如果套管厚度没有1.0 mm厚,能满足23.3 ??
4 ?( a7 p0 j2 e5 J$ T+ u; {( A23.3 Different parts of an appliance that can move relative to each other in normal use or; F: P0 _- C, F; \6 @
during user maintenance shall not cause undue stress to electrical connections and internal) r% {0 d# T8 V
conductors, including those providing earthing continuity. Flexible metallic tubes shall not, O6 B: R) P J3 k Q
cause damage to the insulation of the conductors contained within them. Open-coil springs, M4 x$ \( I' H. x' {/ e! s
shall not be used to protect the wiring. If a coiled spring, the turns of which touch one another,: l/ M9 p& D& k; }/ b- J7 `# d
is used for this purpose, there shall be an adequate insulating lining in addition to the* A$ C9 X$ E' Q) D: j* g2 I) M
insulation of the conductors. |
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