# a& H, H" k) _1 F+ n4 R6 xStandard: IEC 60335-1:1976, 2nd Ed.) @- Y" k* B1 {2 U. x
Sub clause: 25.13; c( k2 m0 N( m9 u# ~. d
Sheet No. DSH-462 4 U# j/ R6 O( }) tSubject: Internal wiring, }5 V% r) j1 M* c
Key words: - accessible internal conductors5 B# R& u. P: }
Decision taken at the 40th CTL meeting 2003 : Y3 S8 V6 F1 ]) zQuestion: ; s1 o; M- F8 Y$ Q' e; UWhat are the requirements for insulation of accessible internal conductors? E& A0 a4 @: X8 r$ Z; ORationale: ! g( A( A8 G5 D$ x. eSee question. / f# O9 B+ |3 ]Decision: & R4 ]8 Y% l/ X1) A conductor inside an appliance, which is accessible to the standard test finger shall, |* s7 H0 c( ~. F, W) m% D8 z. ^) M( D
comply fully with the requirements of double or reinforced insulation unless it is a flexible # ^( B0 o" l5 Ucord complying with the relevant IEC Standard as specified in clause 25. * U, A u2 z0 K5 Y1 A t1 G; R$ Q2) For interconnection cords, only approved or equivalent cords shall be used. 3 ^6 ~/ e% m+ Q& L$ K# w3) For conductors inside an appliance but which are accessible during a cleaning operation & \ K- L, j& V; K& Q7 Rand which are not moved or mechanically stressed during normal use, supplementary! O; h0 b3 j% q2 V% S& a
insulation can be provided by a single thickness of less than 1.0 mm, if it is in compliance " b& W* }9 V2 T6 `8 v2 Dwith the requirements for cable sheaths in 22.21 and withstands the electric strength test of - y6 L( g( k9 m# @, d/ _' e16.4.9 I8 D! D) M# U
DSH 462 A) ?2 h3 t: j* j( l- p# e