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如果套管厚度没有1.0 mm厚,能满足23.3 ??
( |- ]' ^# u7 }, r23.3 Different parts of an appliance that can move relative to each other in normal use or. H+ b G3 \: r5 m& ]
during user maintenance shall not cause undue stress to electrical connections and internal
" C+ |; I+ i7 U8 G* N, qconductors, including those providing earthing continuity. Flexible metallic tubes shall not' ?$ M) G( a2 O8 m# K4 C/ e& t
cause damage to the insulation of the conductors contained within them. Open-coil springs
* r4 M& I! p) j$ W/ Jshall not be used to protect the wiring. If a coiled spring, the turns of which touch one another," h( G7 o. V( @8 ?& \
is used for this purpose, there shall be an adequate insulating lining in addition to the
c+ g O7 y) c' H' W6 w. ]# h: kinsulation of the conductors. |
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