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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 + V( e0 t: [, N3 E4 T3 e! L8 g( N
" x, A8 R/ ]& p( [. f. \30-400 Wiring of luminaires! ^ S1 Y! S6 W/ a
All electrical wiring on or within a luminaire shall be
4 }) h) S" g* |(a) neatly arranged without excess wiring;
" b+ U4 K3 P9 ~4 M(b) not exposed to mechanical injury; and4 g4 M# `9 P0 t& r
(c) arranged so that it is not subjected to temperatures above those for which it is rated.
0 a# s6 M4 ~8 C' R6 }, |. s30-402 Colour coding
6 W% X% G) O4 C/ N" L! }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.% w$ ~; B8 x" @) E1 K1 s7 p- O
30-404 Conductor insulation( Y" b$ ] w' T( S8 f+ Q* X
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.1 u4 {3 N1 \/ D I0 [
30-408 Wiring of ceiling outlet boxes% K8 k& J1 U7 H. J7 R3 [1 o; Y1 W
(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.- W6 D; R7 K( {) t9 ^: `
(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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