DSH 456 Insulating resistance and electric strength

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DSH 456 + ^9 r- f) C* `

Insulating resistance and electric strength ! q6 s7 R1 M7 d2 o. x2 h# j9 R& u

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60335-1(ed.2) ) y0 K. J; U& I. g  p$ M

Standard: IEC 60335-1:1976, 2nd Ed.
' R* w: J* n$ o7 Z6 [) HSub clause: 16.4
0 m; w* Q' Y" T& aSheet No. DSH-456
Subject: Insulating resistance and electric strength
Key words: - use of metal rod  - use of metal foils
  a! _$ K9 v. }  @, KDecision taken at the 40th CTL meeting 2003
0 g/ B: P, _8 y7 c1 jQuestion:
3 C& Y" d# C( J  ?0 _  _% J. NDuring the electric strength test on cord guards and cord anchorages, should a metal rod or
metal foil wrapped around the cable be used ?
! e; g* K  w* R9 u; H. FRationale:
) o- s* A" C6 y* F) T. FSee question.
. o" }! {# t. H$ BDecision:
In case of doubt, the cable with the foil wrap is used for cord anchorages and a metal rod for
6 f# P$ }! s# C1 u4 u6 M6 Lthe inlet bushings.
The torque for the screw and clamping means should be 2/3 of what is stated in the table of
! ?# f# y) m6 t) X" S5 pclause 28.
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