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如果套管厚度没有1.0 mm厚,能满足23.3 ??1 K4 M. R" |7 z1 u7 Q/ ]4 j
23.3 Different parts of an appliance that can move relative to each other in normal use or* ?- x5 `' o/ S f- v: {# o' S1 {
during user maintenance shall not cause undue stress to electrical connections and internal
4 U9 m" ]) h2 p4 ]* A6 e' E" Zconductors, including those providing earthing continuity. Flexible metallic tubes shall not" z1 k7 [0 p1 N N9 k
cause damage to the insulation of the conductors contained within them. Open-coil springs
! U8 N f* e& Q& T8 ~# r+ Rshall not be used to protect the wiring. If a coiled spring, the turns of which touch one another,7 d5 P- h4 {! A6 k/ F0 b
is used for this purpose, there shall be an adequate insulating lining in addition to the1 l, M4 m5 ^, _9 ~8 r1 G
insulation of the conductors. |
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