|
|
如果套管厚度没有1.0 mm厚,能满足23.3 ??9 G! c3 u* d% t/ Q: L9 Y P
23.3 Different parts of an appliance that can move relative to each other in normal use or( m/ m9 ?# ]8 |& s
during user maintenance shall not cause undue stress to electrical connections and internal
0 |4 o) a: Q( Q1 \conductors, including those providing earthing continuity. Flexible metallic tubes shall not0 @. T. A c$ U% E. X# {
cause damage to the insulation of the conductors contained within them. Open-coil springs9 U a& R2 ^. w& c* p) X
shall not be used to protect the wiring. If a coiled spring, the turns of which touch one another,
: S0 a7 D9 a5 C. ris used for this purpose, there shall be an adequate insulating lining in addition to the6 W3 @3 @2 o6 y2 c# c6 Y$ Y
insulation of the conductors. |
|