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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 2 y/ A3 V( y. C
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30-400 Wiring of luminaires
$ H1 g5 g! b5 T9 b' T+ n% jAll electrical wiring on or within a luminaire shall be
0 s2 v6 Q# ^$ y" N+ W' x) }(a) neatly arranged without excess wiring;
D" A. }, t' ^(b) not exposed to mechanical injury; and
, q; A+ |( L' L9 ^$ L) E(c) arranged so that it is not subjected to temperatures above those for which it is rated.
) W |- D1 `$ V3 ?# O3 D30-402 Colour coding: I" W& J7 R$ v/ C/ C/ {
Notwithstanding the requirements of Sections 0, 4, and 10 with regard to the colours used for distinguishing and identifying conductors, a continuous-coloured tracer in the braid of an individual braided conductor shall be permitted for the supply conductors of a luminaire, the colour of the tracer being black, white, and green for the ungrounded, identified, and bonding conductors respectively.; U4 c' Q+ j0 q& O
30-404 Conductor insulation
+ M+ L9 @ W; @* f' B) c( Q1 X; V: `Luminaires shall be wired with conductors at least No. 18 AWG, having insulation suitable for the voltage and temperatures to which the conductors may be subjected.
) I# @+ e* f, g% N- n% z8 P+ E30-408 Wiring of ceiling outlet boxes
- s% @) t% F! ](1) Branch circuit conductors having insulation suitable for 90 °C shall be used for wiring of ceiling outlet boxes on which a luminaire is mounted, except for boxes in wet locations where Type NMW or NMWU cables are used.
- ?! E6 ^7 M9 o. I+ ^/ y(2) For purposes of compliance with this Rule, the ampacity of 90 °C wire shall be limited to the ampacity of 60 °C wire. |
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发表于 2011-1-30 18:21
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发表于 2011-1-30 21:55
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