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本帖最后由 passagere 于 2016-8-2 13:25 编辑 0 H2 z4 x: z2 n; a5 A1 w
. ~, c8 ?( u8 [) H. j `哦,输入和输出也是相对的。根据标准里来看,接专用的适配器作为电源的低电压灯具的输入线须为hard usage的线缆,最小24 AWG。我之前理解的是按电源来理解,在此灯具中,需要hard usage的软线作为电源输入线。所以,如果这软线是电源上固定带有的,那么要符合此要求。- r( h4 V6 {9 e% U) a. L6 H* t9 W
* N# G6 m; A& b- ]见这句话:
7 _7 v. F! q0 }# @1 A+ k44.13 A luminaire rated in accordance with 11.4.1 shall be marked “For supply connection, use only an
* i' u: }3 r- e0 W3 S Xisolating low voltage power supply with ungrounded output, evaluated for swimming pool use.” This
! ^1 G3 g* m2 ymarking shall be visible during installation; a cord tag is permitted.
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3 ?( g8 s6 i$ k9 X" V看见电源不附在灯具上出货,所以低压灯具的输入线就是连接到电源的DC端的线。
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另,flexible cord的规格可见NEC table 400.4,表的右侧可以看到not hard, hard and extra hard的分类。( C+ X: Z& M& {& _( {8 h
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