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如果套管厚度没有1.0 mm厚,能满足23.3 ??" [7 f0 K" A8 P& m* X X
23.3 Different parts of an appliance that can move relative to each other in normal use or
' E* Q: l" p* _; Q; @3 H _1 Vduring user maintenance shall not cause undue stress to electrical connections and internal
3 J7 v9 U, O/ F/ }conductors, including those providing earthing continuity. Flexible metallic tubes shall not
& T8 X! h& e ?. m0 ~1 m: Lcause damage to the insulation of the conductors contained within them. Open-coil springs
+ Q6 z3 y- E7 f4 y- }6 w" A' vshall not be used to protect the wiring. If a coiled spring, the turns of which touch one another,
2 ^" z& K# e$ H g2 T( ?# jis used for this purpose, there shall be an adequate insulating lining in addition to the
* j/ r# m8 A$ Z" T2 i [9 yinsulation of the conductors. |
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