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| DSH 462+ `. R7 h9 _, F9 R: Y& l
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| Internal wiring
/ P, x7 V- }! d | 25.13& C! {. P2 s; q* ?: T @. G6 ~
| 60335-1(ed.2)
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Standard: IEC 60335-1:1976, 2nd Ed.
6 E$ ?; ]; l: K) |) HSub clause: 25.13* l! y: n, ~& n- D, e4 Y" {+ u Y
Sheet No. DSH-462! y5 I7 |! Q* [, S' S9 n! {
Subject: Internal wiring1 p$ q0 g9 P' U, i8 T3 E
Key words: - accessible internal conductors! ]$ c4 o5 G9 I! v) B7 I( y `
Decision taken at the 40th CTL meeting 2003
0 Q! p+ H5 q+ Q; MQuestion:: \3 M; {2 k$ u( I0 `8 g! m1 g
What are the requirements for insulation of accessible internal conductors?" Z/ d4 o7 `% I/ B7 x/ c8 f- H4 i
Rationale:
' N# O- `& J; ~7 _See question.# d5 u( t8 N$ j8 y* b+ g7 t; N
Decision:
: e8 g0 K/ m1 b' j1) A conductor inside an appliance, which is accessible to the standard test finger shall; \( o, d) A0 {9 a
comply fully with the requirements of double or reinforced insulation unless it is a flexible
1 z; s D% r" {' y. gcord complying with the relevant IEC Standard as specified in clause 25.
$ s( P. a$ r8 A& V; V9 w3 s2) For interconnection cords, only approved or equivalent cords shall be used.
5 j1 S! N9 e" N o3) For conductors inside an appliance but which are accessible during a cleaning operation* E8 l; k- x7 T4 m( b% f
and which are not moved or mechanically stressed during normal use, supplementary2 M$ R# n3 S* E
insulation can be provided by a single thickness of less than 1.0 mm, if it is in compliance# r. I" u7 j8 s3 m
with the requirements for cable sheaths in 22.21 and withstands the electric strength test of
4 l( |% g6 u3 B4 E16.4.
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