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如果套管厚度没有1.0 mm厚,能满足23.3 ??* n0 h% Y" I; u& M! Y" ]
23.3 Different parts of an appliance that can move relative to each other in normal use or
) Y) v% n1 q7 U. }$ R1 T6 fduring user maintenance shall not cause undue stress to electrical connections and internal2 P* ^1 d( t# K* }5 X* [4 i* m
conductors, including those providing earthing continuity. Flexible metallic tubes shall not
! I0 Q: d+ A8 D% k, scause damage to the insulation of the conductors contained within them. Open-coil springs2 ^+ n% ^% h2 _. b/ S* L W
shall not be used to protect the wiring. If a coiled spring, the turns of which touch one another,% m5 x- k+ {' N# j0 O! Z
is used for this purpose, there shall be an adequate insulating lining in addition to the
B* n9 d7 X; ^; H; yinsulation of the conductors. |
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