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如果套管厚度没有1.0 mm厚,能满足23.3 ??- t" Z- a: e, w( r/ S
23.3 Different parts of an appliance that can move relative to each other in normal use or
+ j9 ?$ R( L0 n" e! ^during user maintenance shall not cause undue stress to electrical connections and internal# }+ ?2 t) |! g
conductors, including those providing earthing continuity. Flexible metallic tubes shall not! P+ {7 }7 `) g @8 p
cause damage to the insulation of the conductors contained within them. Open-coil springs/ T" I+ O% r/ D
shall not be used to protect the wiring. If a coiled spring, the turns of which touch one another,
! y# \: j( u* N' }/ X z3 w% Mis used for this purpose, there shall be an adequate insulating lining in addition to the
. H1 n4 o, P! qinsulation of the conductors. |
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