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如果套管厚度没有1.0 mm厚,能满足23.3 ??, O6 c. T& v1 I9 b' c
23.3 Different parts of an appliance that can move relative to each other in normal use or
, U* U& V Z( T/ `during user maintenance shall not cause undue stress to electrical connections and internal4 F4 f! a1 e! N
conductors, including those providing earthing continuity. Flexible metallic tubes shall not
0 `& H/ M! t; Hcause damage to the insulation of the conductors contained within them. Open-coil springs/ X6 o6 A6 j6 N/ e
shall not be used to protect the wiring. If a coiled spring, the turns of which touch one another,
$ P$ M/ F6 c! t* X$ W9 w2 R4 Pis used for this purpose, there shall be an adequate insulating lining in addition to the: R5 S* |) g1 l! z* w
insulation of the conductors. |
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