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15.3.8 Terminals shall be suitably fixed to the equipment or to a terminal block or otherwise
# l; D, Y: b: ?6 c" ]fixed in position. They shall not work loose when conductors are inserted or withdrawn.. U) [& F& ~' H8 {
Compliance is checked by inspection and, if there is a doubt, by applying the mechanical test- p& t; D4 n! d2 q
given in 15.5 or 15.8. During the test, the terminals shall not work loose and there shall be no2 D( i3 ^6 T2 F, s8 T- t5 y+ w. M
damage that will impair their further use.
/ }6 s% w' ^6 l, X5 K. @# FThe above conditions apply not only to terminals which are fixed to equipment but also to6 U1 s* I9 z$ L( [8 f
terminals which are delivered separately. Covering with sealing compound without other means
. Y/ c* K" f% G7 e' ?+ |of locking is not sufficient. Self-hardening resins may however be used to lock terminals which
- A5 t7 d0 A- v5 rare not subject to torsion in normal use.' R5 [2 e B& ?" V* d
15.3.9 Terminals and connections shall withstand the mechanical, electrical and thermal# T8 A6 d* z- L
stresses occurring in normal use.
: T8 n0 z5 W4 l8 E0 ?" ^ L1 lCompliance is checked by the tests of 15.5, 15.6, 15.8 or 15.9 as appropriate. |
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