23 Internal wiring
: T4 A! |; k2 \23.1 Wireways shall be smooth and free from sharp edges.
1 V+ e' U" C2 P' ^Wires shall be protected so that they do not come into contact with burrs, cooling fins or1 ] g {' `5 D
similar edges which may cause damage to their insulation.
9 n, u6 n$ |' a g7 Q. z# ^Holes in metal through which insulated wires pass shall have smooth well-rounded surfaces5 A$ c7 T9 O9 s$ T
or be provided with bushings." t: W; \1 c6 g# A
Wiring shall be effectively prevented from coming into contact with moving parts.
; y- ^0 S2 t* d% p2 w5 TCompliance is checked by inspection.' b$ | F" W+ d7 Q" M4 ~% q
--------8 k$ `8 Y& D! p& K
根據標準來說,並沒有要求一定要加護套~
6 S( I i p1 j5 C
/ @+ d q, B6 a- i0 u$ @2 O但是必須能保證其絕緣不會被破壞~! ~) L6 v1 |# s- h
* y4 B' v, t1 t& z- y. i, B0 B2 R依所提供的照片,我認為其電源線若不加護套的話,僅有基本絕緣~1 V* j7 O3 `' E* U- _% `
該處為外殼出口,也視為人體可觸碰的地方~
1 b# m3 `) w) f1 N6 x) E) \3 e' d- v8 u7 l& |1 r6 J U' [! \
應提供第二層防護,變成加強絕緣~ 以防止單一(基本絕緣)失效時,對人體產生危害~ * {& _4 ?) E' | `7 P
|