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|  DSH 4628 E1 d2 K9 c8 c
5 v1 v) d) l7 F" a! L1 R
| Internal wiring, }. O" U2 H6 `, O. p
| 25.13+ P$ G( B' r" g: S0 }
| 60335-1(ed.2)
/ ^$ U2 c6 G" d: G w; H |
8 j1 `5 v( F1 u/ _! J, Q3 r7 UStandard: IEC 60335-1:1976, 2nd Ed.$ ]% p: U4 J0 x) _6 [/ [- [- L! ~
Sub clause: 25.13
7 [' a; v5 X+ PSheet No. DSH-462: J) M2 N; ` S
Subject: Internal wiring
3 s% A" b" e) \6 I: n l7 W) SKey words: - accessible internal conductors; s, G2 t1 c( f k1 Z, r
Decision taken at the 40th CTL meeting 20034 D1 A) B/ l9 L/ Y
Question:; Y. A/ }* X6 M/ m7 T2 h! \6 P
What are the requirements for insulation of accessible internal conductors?
* K+ Q! p/ e0 mRationale:
& E/ w" T+ ^9 cSee question.
: K$ Z# X5 E; E" ~; c: B0 [# `Decision:; k# g0 M; [' X3 N9 u2 H& b
1) A conductor inside an appliance, which is accessible to the standard test finger shall
% s- n+ p! G/ p9 Ucomply fully with the requirements of double or reinforced insulation unless it is a flexible3 k2 x, u7 f6 T; Z ?$ E; ]
cord complying with the relevant IEC Standard as specified in clause 25.
: Q p! j2 ]. |1 C& N5 s0 z- {& J9 r2) For interconnection cords, only approved or equivalent cords shall be used.
$ ?$ y6 h8 R1 t& b0 Y+ O3 [) G3) For conductors inside an appliance but which are accessible during a cleaning operation
1 N9 D5 u2 C T0 ?% H2 }- N4 o9 Kand which are not moved or mechanically stressed during normal use, supplementary
9 ^& ^( K" ~* yinsulation can be provided by a single thickness of less than 1.0 mm, if it is in compliance
# F) ]' B5 u" F5 Twith the requirements for cable sheaths in 22.21 and withstands the electric strength test of
% D! u7 E' U4 H: e w16.4.
( a! Q* n) T- I$ V4 P! [8 g% z: \2 m1 j2 |7 |' i4 y; Y1 D" v
! H& G/ X Y- ]$ F( a) g* d- ]0 D) ]" e/ G/ w( u5 t
6 F$ l" s7 F4 `8 q+ G) Z |
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发表于 2012-9-12 13:57
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