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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑
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' P; S. y" x% ^1 E) q# ^30-400 Wiring of luminaires
5 _& m9 `/ P7 U. EAll electrical wiring on or within a luminaire shall be
$ p8 Q" M3 v# K1 j- j+ d(a) neatly arranged without excess wiring;
% q0 G, k; _1 x. {# q+ O; J3 l( j7 Y3 p(b) not exposed to mechanical injury; and* k: ^* o8 e* Z+ {
(c) arranged so that it is not subjected to temperatures above those for which it is rated.. K$ ]" Z; Q, H" z
30-402 Colour coding( A& C' p: B5 y7 `' F! M
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." r( g+ X! S8 n5 T
30-404 Conductor insulation1 r1 p K8 ]# A$ W' _) f
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.
( N: F4 T) e( _7 k" K4 L" B30-408 Wiring of ceiling outlet boxes$ P* O. ^% x u, [2 N, |% N
(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.% n$ t# v" N+ X: }9 c: X8 v( `
(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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