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本帖最后由 passagere 于 2016-8-2 13:25 编辑
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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。: h0 A7 T! V: N" p
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见这句话:, o1 G! J7 Y6 K+ V7 I0 }
44.13 A luminaire rated in accordance with 11.4.1 shall be marked “For supply connection, use only an
4 |2 m* B+ B" cisolating low voltage power supply with ungrounded output, evaluated for swimming pool use.” This
6 h7 B+ e0 U: F+ V) F1 vmarking shall be visible during installation; a cord tag is permitted.% Z3 v: x; {; `- W9 S
2 W6 f. G/ a; m$ M+ L0 b; r% L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。) {( e* ^/ w$ ] [$ f( |$ e
: [6 O0 P7 O) l+ {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。2 e7 n$ j1 ?# E6 u4 s9 Y [4 U
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