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如果套管厚度没有1.0 mm厚,能满足23.3 ??1 M5 ~. f% v3 E; x4 L3 _
23.3 Different parts of an appliance that can move relative to each other in normal use or
7 F( H9 y: E9 H, e* x/ aduring user maintenance shall not cause undue stress to electrical connections and internal8 Z& P( R Z/ q; M0 U6 i
conductors, including those providing earthing continuity. Flexible metallic tubes shall not
; u2 i/ O& u# n! D: H! p6 jcause damage to the insulation of the conductors contained within them. Open-coil springs
; V7 S- V, ~# jshall not be used to protect the wiring. If a coiled spring, the turns of which touch one another,
' q6 |4 C7 @# s: H) bis used for this purpose, there shall be an adequate insulating lining in addition to the' l$ C4 m3 a: l- U
insulation of the conductors. |
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