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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:
% _8 o, N1 j# U# z% K5 g! N14.4.6 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
" s; M7 D" _ O W4 Mwork loose, internal wiring shall not be subjected to stress, and creepage distances and
% r) z( d6 }+ w" n8 }) \2 V) h% yclearances shall not be reduced below the values specified in section 11./ B8 b A* e( ]. ~. E
These requirements do not imply that the terminals should be so designed that their rotation or: g# i$ K6 P+ N# k
displacement is prevented, but any movement shall be sufficiently limited so as to ensure* C' ?+ D) A+ p. L! R
compliance with this standard.
: T8 c! O) L& u# v2 f( hCovering with sealing compound or resin is sufficient to prevent a terminal from working loose,
! g# F/ L2 k' c/ Rprovided that the sealing compound or resin is not subject to stress during normal use and the
7 I3 Z1 b2 F. w* L, i; j1 c" Veffectiveness of the sealing compound or resin is not impaired by temperatures attained by the
8 ?* q; {' ^7 A6 Z) ]1 Gterminal under the most unfavourable conditions specified in section 12.
. P$ F# Q4 @# @2 Z& r; h k2 ACompliance is checked by inspection, by measurements and by the following test. |
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