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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:
+ M0 O: m g; _1 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" ^% v8 e& ~+ p }3 a/ v% \
work loose, internal wiring shall not be subjected to stress, and creepage distances and
2 ^: h; }9 u6 y |clearances shall not be reduced below the values specified in section 11.: {( b2 O9 B+ F3 e' {
These requirements do not imply that the terminals should be so designed that their rotation or
+ N$ v$ ]9 d( ]4 J* Ldisplacement is prevented, but any movement shall be sufficiently limited so as to ensure; n j' x2 t2 O
compliance with this standard.
/ o8 f; I c4 ~Covering with sealing compound or resin is sufficient to prevent a terminal from working loose,1 d1 I* ~, a( o0 b% M% A/ ^
provided that the sealing compound or resin is not subject to stress during normal use and the) r2 S: s; r' B2 x' K9 B) I
effectiveness of the sealing compound or resin is not impaired by temperatures attained by the4 k% x2 V1 i7 t8 ~! b( L
terminal under the most unfavourable conditions specified in section 12.+ ?# P5 z6 T! |% K, j2 {
Compliance is checked by inspection, by measurements and by the following test. |
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