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Standard: IEC 60335-1:1976, 2nd Ed.: G! E2 W# j0 a: w) w
Sub clause: 25.13
r' N' S. ^. Y/ n% f! zSheet No. DSH-462
. S u; v# o4 ], bSubject: Internal wiring: h* q8 @ O: ]* A' V6 F
Key words: - accessible internal conductors
$ o3 }3 k& ]( hDecision taken at the 40th CTL meeting 2003- @7 F. @+ ?# z) c: j* p
Question:; E4 r# J7 x e4 O6 O
What are the requirements for insulation of accessible internal conductors?
& E0 {& q y6 e1 Y8 u+ F' hRationale:0 d5 @8 ]5 }% `" y9 t) `7 j
See question.4 ?; s6 e9 g2 f
Decision:
" ^+ Z$ ~( k. k) @! c* _1 j1) A conductor inside an appliance, which is accessible to the standard test finger shall. n! G, R7 c, `( f- a0 ?* M
comply fully with the requirements of double or reinforced insulation unless it is a flexible( |; D) t8 I& _* K, d; h" i5 ?
cord complying with the relevant IEC Standard as specified in clause 25.
% |( d o6 b" K4 ]4 v1 p1 O# P2) For interconnection cords, only approved or equivalent cords shall be used.
3 i: B3 T K P6 O3) For conductors inside an appliance but which are accessible during a cleaning operation2 ]& M9 V5 g1 t, O+ L. F" e! H
and which are not moved or mechanically stressed during normal use, supplementary5 l3 \7 H8 |1 o& ^& n
insulation can be provided by a single thickness of less than 1.0 mm, if it is in compliance
; \8 d( M# v% G1 w: d$ Y0 vwith the requirements for cable sheaths in 22.21 and withstands the electric strength test of Z3 J9 C, `( k7 Y M8 N
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$ n+ _. l9 L m- e7 u) ]% @$ g' S6 g8 S7 Z% ]) \% U$ }
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发表于 2012-9-12 13:57
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