23 Internal wiring* c' [1 b& u* c/ h
23.1 Wireways shall be smooth and free from sharp edges.; Z$ |: N4 b8 P5 {' A9 C' R* F' p
Wires shall be protected so that they do not come into contact with burrs, cooling fins or
* p3 F8 S1 a3 V( M5 k0 Esimilar edges which may cause damage to their insulation.% \6 r* {. r. I2 Q' j5 F
Holes in metal through which insulated wires pass shall have smooth well-rounded surfaces, f* C0 N2 _: W! g1 ]3 S
or be provided with bushings./ \! l# V& t5 M, I# w7 c4 G) b4 k% G
Wiring shall be effectively prevented from coming into contact with moving parts.
" v6 r( b9 D; e$ ?4 v! Q. q5 sCompliance is checked by inspection.$ l: q, q* U9 U A# I4 ]
--------9 @7 g M2 |; Z( U+ _- X
根據標準來說,並沒有要求一定要加護套~( Y: X) i6 c) d' E
1 S6 t+ V$ h& F/ D, t5 f但是必須能保證其絕緣不會被破壞~4 \6 J: R! _$ l% [9 |
# J' j. [/ k7 g1 b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~7 r. V9 n/ n5 W- r+ @/ ?$ ]1 X( {
該處為外殼出口,也視為人體可觸碰的地方~0 ~; O7 d; J o( D, Q0 m
1 E8 l' B- S$ L" _2 Z" P* i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~ ; d# t3 x5 A0 n+ r1 R7 S
|