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15.3.8 Terminals shall be suitably fixed to the equipment or to a terminal block or otherwise0 T, P5 h. e! J( r/ j
fixed in position. They shall not work loose when conductors are inserted or withdrawn.
# y" B/ i. u( h/ PCompliance is checked by inspection and, if there is a doubt, by applying the mechanical test, K4 V4 H# Z& w) v1 _
given in 15.5 or 15.8. During the test, the terminals shall not work loose and there shall be no( Q7 A1 Z# Y: A. t' W
damage that will impair their further use.9 `, t1 G& A4 A2 l
The above conditions apply not only to terminals which are fixed to equipment but also to
8 s) v' l, E% iterminals which are delivered separately. Covering with sealing compound without other means, A: X5 p' ? \3 {
of locking is not sufficient. Self-hardening resins may however be used to lock terminals which1 T: z2 ~7 z) L: ]" t' z: e# W
are not subject to torsion in normal use.+ m2 J. r1 H* U) W
15.3.9 Terminals and connections shall withstand the mechanical, electrical and thermal& s% @: V5 W& F7 B- a
stresses occurring in normal use.
! m- J. m; z! X$ S* Z" t! {$ qCompliance is checked by the tests of 15.5, 15.6, 15.8 or 15.9 as appropriate. |
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