|
|
|  DSH 462& g* Q) L" D% ?. X' |/ R4 R
4 ]6 S, g% V" v8 t0 k* W
| Internal wiring8 b0 L+ x: ?/ l0 S. b
| 25.13 C- b, Z% t3 ]1 l( [; g h' ?
| 60335-1(ed.2)
/ r1 v5 ]3 Q2 a! V- X2 R- l |
; I# Q+ a, t# ?' Q0 `% d
Standard: IEC 60335-1:1976, 2nd Ed.. C9 a$ j1 r4 R3 T3 _ `
Sub clause: 25.13' N& ^/ C* b+ j- q
Sheet No. DSH-4624 J+ ~- B1 g5 t
Subject: Internal wiring: G" s# `9 L5 L+ H
Key words: - accessible internal conductors& o) P" U2 Q% O: M
Decision taken at the 40th CTL meeting 2003. [ B6 W1 f5 c5 {# O
Question: ^" Z4 ]1 P0 b8 y
What are the requirements for insulation of accessible internal conductors?
1 ]8 B2 W1 k* O# `8 O9 v1 ~Rationale:! M$ q5 b9 g& W3 G
See question.
8 H9 I& }; P7 Y. W! x* rDecision:
- } W ?+ G0 A- N1) A conductor inside an appliance, which is accessible to the standard test finger shall
% J4 `6 U/ C$ Q9 S/ ^comply fully with the requirements of double or reinforced insulation unless it is a flexible
n3 F$ }& N8 H- o6 M: \6 ycord complying with the relevant IEC Standard as specified in clause 25.# J# n" q7 j4 e1 k% G3 A" j4 P2 l
2) For interconnection cords, only approved or equivalent cords shall be used.
# d2 r3 T5 ~/ T: t- t5 ^3) For conductors inside an appliance but which are accessible during a cleaning operation: ]" V2 G; C0 g' S% ]# ?
and which are not moved or mechanically stressed during normal use, supplementary* @$ I2 \9 e; `8 m) Y; u L$ r( f
insulation can be provided by a single thickness of less than 1.0 mm, if it is in compliance9 v. x# X% W4 K) M
with the requirements for cable sheaths in 22.21 and withstands the electric strength test of
' N# y: _* R& ~- j2 j16.4.
3 ~! X/ l% q/ f5 R3 {' s5 [% \. j# [$ G; B" k, E! k/ M6 k R# [
; y. v" k, L; i& n& _6 r9 |
; H7 \9 J/ F6 h8 {7 A8 z9 }- m' B' _ d" W1 o) X! C
|
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