DSH 462 Internal wiring

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广东安规检测
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小型摆管淋雨试验机

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灯具防风罩

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UL498插头插座量规

VDE0620插头插座量规

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家电温升测试角

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家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

DSH 462 $ P! |, k  ]. C; E

Internal wiring

25.13

60335-1(ed.2) / ?+ l/ G' E1 P1 }! {( d

Standard: IEC 60335-1:1976, 2nd Ed.
6 P* h. }, K& A4 }4 h2 tSub clause: 25.13
Sheet No. DSH-462
% h! B# m: x; U) `Subject: Internal wiring
Key words: - accessible internal conductors
; U, F( I0 z: v7 f' D% wDecision taken at the 40th CTL meeting 2003
4 K. ^% R$ V/ |! b- K6 e$ sQuestion:
* u; W5 [9 X. a; V- AWhat are the requirements for insulation of accessible internal conductors?
8 F; Q  X+ @- S/ y6 p4 _2 f( ]4 LRationale:
See question.
( ]/ a: i2 U/ F* B1 Q6 XDecision:
1) A conductor inside an appliance, which is accessible to the standard test finger shall
$ l! i# U! i6 y, Q8 m) ]# u& ^comply fully with the requirements of double or reinforced insulation unless it is a flexible
! e5 A6 n  h+ T3 Dcord complying with the relevant IEC Standard as specified in clause 25.
2) For interconnection cords, only approved or equivalent cords shall be used.
3) For conductors inside an appliance but which are accessible during a cleaning operation
: ^% N9 G) {5 w- t' s0 I. E1 A7 Land which are not moved or mechanically stressed during normal use, supplementary
insulation can be provided by a single thickness of less than 1.0 mm, if it is in compliance
with the requirements for cable sheaths in 22.21 and withstands the electric strength test of
$ F" V; u; f: J/ {6 {$ h8 v$ _16.4.


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