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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑
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30-400 Wiring of luminaires, E" C% [4 x' O6 n* z( L9 g" C
All electrical wiring on or within a luminaire shall be3 s3 p3 k) U: L7 {. v9 k
(a) neatly arranged without excess wiring;' F' h, s) b5 I
(b) not exposed to mechanical injury; and" Y. s4 u4 n0 t7 O# F
(c) arranged so that it is not subjected to temperatures above those for which it is rated.) f4 _* v# X; C# v# b
30-402 Colour coding
1 K8 n# D6 p& I" WNotwithstanding 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.7 r* g* r' c" G- J
30-404 Conductor insulation
0 [2 C% ^0 z0 PLuminaires 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.9 O, N Z' f2 r; I# R1 N( D# s
30-408 Wiring of ceiling outlet boxes
, i. D. I. M- Y7 ~. M" I" 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.
0 r, F8 S1 N% {: [1 ^+ n1 _$ l8 k(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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