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|  DSH 456
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8 F9 [- i$ i+ y& F0 B8 m | Insulating resistance and electric strength! g4 o! T7 a5 N+ R0 t
| 16.4
4 x7 b- C5 c& q7 A- Z4 \# s/ ^ | 60335-1(ed.2). d; i k/ ~, @5 p# f
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, @/ K4 k# l/ d1 M0 ZStandard: IEC 60335-1:1976, 2nd Ed.* m7 `6 G& L) K* C1 r$ c
Sub clause: 16.4+ E/ _5 G6 \" K3 ], Y9 R0 F
Sheet No. DSH-4561 r+ g1 G: c/ c8 p# D u
Subject: Insulating resistance and electric strength
; b/ {8 L1 O0 f3 B9 Z* A6 |Key words: - use of metal rod - use of metal foils2 _$ w8 a: F& r0 l; A/ L. f
Decision taken at the 40th CTL meeting 2003& p& T/ L2 _% L! _
Question:
7 q/ ^( o4 d @5 \5 K) [. QDuring the electric strength test on cord guards and cord anchorages, should a metal rod or
6 ?! U" H5 {& W, J6 dmetal foil wrapped around the cable be used ?+ n: y. q) n6 s3 B, F
Rationale:
1 W/ g$ W, ^- }; JSee question.
" f- m, w0 P1 q2 T# V* x- dDecision:
; a3 E! R3 A. ~2 [: LIn case of doubt, the cable with the foil wrap is used for cord anchorages and a metal rod for: f# g4 G/ Q8 g4 z
the inlet bushings.
2 f* x, v* @2 g0 |0 o- j6 h! OThe torque for the screw and clamping means should be 2/3 of what is stated in the table of* ]# G: H# G2 }/ c" `! z% w8 W
clause 28.- b3 l" U1 D2 e& j
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发表于 2012-9-12 14:53
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