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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。
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2 o+ p3 d2 [" y0 K# l2 R" c见这句话:0 m9 @! y, J4 u8 z7 k
44.13 A luminaire rated in accordance with 11.4.1 shall be marked “For supply connection, use only an
( v) J! _6 Y" i( Bisolating low voltage power supply with ungrounded output, evaluated for swimming pool use.” This
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/ Q, Z) T8 g" a- @- M( j1 U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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7 U9 }. |8 s2 C4 x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。! a1 S! {. _# k% ?2 R2 P
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