|
這個問題又出現了? 我記得前幾天回過, 看看EN60598-1吧:
0 i" ^# _3 j, Y) D4 T; C14.4.6 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. r% h8 Z! ^" R
work loose, internal wiring shall not be subjected to stress, and creepage distances and
z" A# f* @; y) @clearances shall not be reduced below the values specified in section 11.* Z0 J( U) W0 w( Y; Y3 J3 Y5 ]! b
These requirements do not imply that the terminals should be so designed that their rotation or
& p& H9 Z/ R7 x$ S0 m& p8 J* ~, odisplacement is prevented, but any movement shall be sufficiently limited so as to ensure2 p* V. g% c/ l
compliance with this standard.! t4 y2 h* b- V5 N0 X; ]2 r
Covering with sealing compound or resin is sufficient to prevent a terminal from working loose,
4 _- s$ L( L Cprovided that the sealing compound or resin is not subject to stress during normal use and the
* K5 [- z! i, B& y2 U, eeffectiveness of the sealing compound or resin is not impaired by temperatures attained by the
4 X" h/ T; t U* f! `terminal under the most unfavourable conditions specified in section 12.5 E& \- c, q L& d4 P
Compliance is checked by inspection, by measurements and by the following test. |
|