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這個問題又出現了? 我記得前幾天回過, 看看EN60598-1吧:
5 Q. [0 D& N v% r2 c, A, u14.4.6 Terminals shall be fixed to the luminaire or to a terminal block or otherwise fixed in | position. | When the clamping screws or nuts are tightened or loosened, the terminals shall not
3 U! C. m" f; Y# qwork loose, internal wiring shall not be subjected to stress, and creepage distances and, X% Y4 d6 j+ H
clearances shall not be reduced below the values specified in section 11.9 p: s) g1 V: i# D
These requirements do not imply that the terminals should be so designed that their rotation or
$ v: e7 i9 E0 }* t: v& U \4 Tdisplacement is prevented, but any movement shall be sufficiently limited so as to ensure
' @, B, c+ X4 C) o2 M. T( ccompliance with this standard.
9 m( ]& ?: d% @" C5 C' @. Q# `Covering with sealing compound or resin is sufficient to prevent a terminal from working loose, C' q: m5 P! O7 W
provided that the sealing compound or resin is not subject to stress during normal use and the
; E7 D: p8 l0 ~- N. keffectiveness of the sealing compound or resin is not impaired by temperatures attained by the o* @7 I* w% p# [9 Y
terminal under the most unfavourable conditions specified in section 12.5 k: L- ?! Q. X C6 Z
Compliance is checked by inspection, by measurements and by the following test. |
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