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15.3.8 Terminals shall be suitably fixed to the equipment or to a terminal block or otherwise1 S2 u, U- g3 h; j6 w
fixed in position. They shall not work loose when conductors are inserted or withdrawn.1 f6 j) L& F6 r1 K k( j* ^( [
Compliance is checked by inspection and, if there is a doubt, by applying the mechanical test
8 d5 k5 _( W' Xgiven in 15.5 or 15.8. During the test, the terminals shall not work loose and there shall be no" K( w: A+ |7 X, @3 E1 T
damage that will impair their further use.
! |% L! S1 F& a" O( E" x7 m5 S- MThe above conditions apply not only to terminals which are fixed to equipment but also to0 b- {6 e1 b+ [# T, c
terminals which are delivered separately. Covering with sealing compound without other means
, a% q: a( k- D6 V: Tof locking is not sufficient. Self-hardening resins may however be used to lock terminals which
% Y( u1 A: X; m+ k( mare not subject to torsion in normal use.
r9 E2 q" x m: h& ^3 P( J% ?* i. ]' M o15.3.9 Terminals and connections shall withstand the mechanical, electrical and thermal
9 E% A3 Z6 n" P) P3 U: Tstresses occurring in normal use.# b. E1 {+ p* e+ G
Compliance is checked by the tests of 15.5, 15.6, 15.8 or 15.9 as appropriate. |
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