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如果套管厚度没有1.0 mm厚,能满足23.3 ??( Z# R3 D U k. _
23.3 Different parts of an appliance that can move relative to each other in normal use or
1 o; O6 `! o/ a$ Q, q iduring user maintenance shall not cause undue stress to electrical connections and internal9 W' v2 X( U$ s
conductors, including those providing earthing continuity. Flexible metallic tubes shall not6 I! w0 z0 K( R7 l0 J. R
cause damage to the insulation of the conductors contained within them. Open-coil springs" @ @% D+ z$ H$ H; v
shall not be used to protect the wiring. If a coiled spring, the turns of which touch one another,3 T/ _+ V: m" O C$ Z4 f' t9 r/ O0 `
is used for this purpose, there shall be an adequate insulating lining in addition to the
; F* a" I, L: binsulation of the conductors. |
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