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Standard: IEC 60335-1:1976, 2nd Ed. e* x" O6 |0 H
Sub clause: 25.13- S- c5 N" w! [) D* \
Sheet No. DSH-462 ; s) ~+ A) `, r4 nSubject: Internal wiring1 s7 o4 b: e( f( a1 f/ y
Key words: - accessible internal conductors Q4 z7 z/ _. ?
Decision taken at the 40th CTL meeting 2003, p+ v" B7 ~$ i$ Z0 C; m
Question:& f$ t; ]9 Z, L0 R, q
What are the requirements for insulation of accessible internal conductors?9 G2 m" d+ L q! r/ C1 f
Rationale:( t% T! V' C" L. t' r3 ]' i
See question.3 o# ? T0 ~: U% T& J* b
Decision: 0 i5 W g' i/ E! @- o1) A conductor inside an appliance, which is accessible to the standard test finger shall ' W0 L9 x: g3 _( Rcomply fully with the requirements of double or reinforced insulation unless it is a flexible # I" c- H' d h* p+ A7 ?cord complying with the relevant IEC Standard as specified in clause 25. + x. g" L; w% z7 F6 P7 }2) For interconnection cords, only approved or equivalent cords shall be used.1 j ?, i/ \' K( h" Q0 A) \4 H. ]/ n
3) For conductors inside an appliance but which are accessible during a cleaning operation / X4 ~ X. Z# A" z- W8 g: \and which are not moved or mechanically stressed during normal use, supplementary 4 f1 o: @: E8 `8 m5 g3 B- }insulation can be provided by a single thickness of less than 1.0 mm, if it is in compliance" J7 G( Y4 K. }
with the requirements for cable sheaths in 22.21 and withstands the electric strength test of# ^( x) O) q. B1 B( R
16.4.) D3 \/ y0 ^" r+ P, _! J, y( b
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[attach]75871[/attach] 4 Y: y! s4 l2 e) {/ e/ w9 h & ~6 I8 R( H1 F' V" G8 D# l Y% ]1 |' C8 y; h: S" R7 V
DSH 4626 V7 O$ M' _: N. X2 z9 k