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|  DSH 466
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! Q- s. ~3 }, F3 y8 S( E | Screws and connections
4 a3 L3 l4 _5 X4 _ | 28
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Standard: IEC 60335-1:1976, 2nd Ed.; M7 t1 h2 b5 ~
Sub clause: 28
% j/ A. T, o3 o, n, C, g9 P# C; E7 h8 Y* SSheet No. DSH-466" I' J5 y( U. ?# Y) n
Subject: Screws and connections
2 h$ {: H! z: f& A* [- v; oKey words: - torque test( Y# H! w5 R3 o- l+ e9 l
Decision taken at the 40th CTL meeting 20038 E. W" w( n3 |- I- R$ ]
Question:
% n. x4 n1 |5 [8 R& q- p5 FHow many times shall screws be tightened and loosened during the torque test in view of. N; G* a" A, w# Y- A' b
previous tests?
% G7 y( Q3 n. _) k rRationale:# Z. K$ ~" z, _/ m
See question., y- h: H! _6 M& p4 @
Decision:# F- j/ P2 _9 D/ }3 I
Tests have to be carried out as stated in sub-clause 4.2 of IEC 335-1:1991. The tests are
' b) Z- Z/ G, ?) z7 b) ] omade on a single sample as delivered, which shall withstand all the relevant tests.
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