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. j6 j: ^2 B. P' |; }- N9 SStandard: IEC 60335-1:1976, 2nd Ed.1 ~) x+ M( f$ F* W
Sub clause: 28
. j- F3 e. M4 ], T/ ySheet No. DSH-4669 Q6 P' l. u( U7 ~8 _+ T9 G' e
Subject: Screws and connections
' d& R/ H- d. q0 CKey words: - torque test
7 M; m! K/ x9 c- Z3 K b2 bDecision taken at the 40th CTL meeting 2003
( L6 D' K& D \) k& ?" [Question:
/ F' h4 [! p: w- ]& ?How many times shall screws be tightened and loosened during the torque test in view of1 e/ u' F3 l! ?+ I3 R- \+ T6 c
previous tests?
: E6 \( ~3 S# c- d/ \2 V$ oRationale:' q7 Y0 F* \) _7 A
See question.* T4 M: k* i% T* W7 e
Decision:- r$ C- X8 X( e- y
Tests have to be carried out as stated in sub-clause 4.2 of IEC 335-1:1991. The tests are5 q1 H a7 w* p+ J& Z( \
made on a single sample as delivered, which shall withstand all the relevant tests.
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