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如果套管厚度没有1.0 mm厚,能满足23.3 ??3 g4 ~6 X) q, }; s7 X Q& w8 O
23.3 Different parts of an appliance that can move relative to each other in normal use or2 P3 ~( t; C- b. W
during user maintenance shall not cause undue stress to electrical connections and internal
' Y+ k! |# S t1 G& r" econductors, including those providing earthing continuity. Flexible metallic tubes shall not' a4 ^7 I2 g5 f/ y6 J0 U
cause damage to the insulation of the conductors contained within them. Open-coil springs
0 q9 b7 I/ {: }0 U5 |8 Cshall not be used to protect the wiring. If a coiled spring, the turns of which touch one another,# j+ F* N7 N( E/ u
is used for this purpose, there shall be an adequate insulating lining in addition to the
. s% g @3 `1 t5 u, E' w/ X" M2 cinsulation of the conductors. |
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