|
|
|  DSH 462: A. E9 j' }1 k) }6 }
~$ ?! q% Q. H }/ w
| Internal wiring1 |4 @' u+ u% s7 I
| 25.13
+ K. P6 M& S( a0 s# n: a | 60335-1(ed.2)! f. \7 J5 y5 p: G, x5 A
|
3 L: C/ ^- ~( U3 hStandard: IEC 60335-1:1976, 2nd Ed.; R& K7 F6 q+ N
Sub clause: 25.13
3 t8 \$ @' z3 ~" p9 c' MSheet No. DSH-4624 }! O+ h1 V% q: P( ^9 e
Subject: Internal wiring0 h X Q8 }' E; X* q) k. S
Key words: - accessible internal conductors
9 K" S+ |% \- j3 U; _1 T% d% K" UDecision taken at the 40th CTL meeting 20031 D& B! [1 m! M) H; e7 y: p
Question:
D; c& P7 ?: X1 BWhat are the requirements for insulation of accessible internal conductors?
0 _ j K7 n a9 u# mRationale:
* q* d3 B d: I0 U; h0 ESee question.
1 p4 H: V% c+ Z& [Decision:$ O; V2 q$ @4 E0 r" M' }
1) A conductor inside an appliance, which is accessible to the standard test finger shall
2 v, Z& Y' S ]( R- l2 `, r! i' Ccomply fully with the requirements of double or reinforced insulation unless it is a flexible2 C: S }7 L+ T9 A
cord complying with the relevant IEC Standard as specified in clause 25.9 i {2 ]/ N' X; E$ ~6 p4 [
2) For interconnection cords, only approved or equivalent cords shall be used.1 v' O! A4 L4 s( |
3) For conductors inside an appliance but which are accessible during a cleaning operation
6 F8 |0 h" L [( J" g/ g3 dand which are not moved or mechanically stressed during normal use, supplementary9 a' R6 t" F- ], k& J# v
insulation can be provided by a single thickness of less than 1.0 mm, if it is in compliance
7 z0 }6 s0 `! A4 _8 K+ i7 t5 ]+ ~with the requirements for cable sheaths in 22.21 and withstands the electric strength test of/ Z) @6 I- n8 f* f
16.4.
8 O' B5 J6 D( p* o) e* N6 `
6 V! d8 x( Y1 R# j( i2 }0 _8 |" K8 ^+ p. u7 O
4 D" k$ ~* d. ?) d
5 H4 ^& {. e2 ~ |
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有帐号？注册安规
x
|
/2 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-9-12 13:57
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡