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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 4 Y# N! P' M" q1 j9 b8 j! u7 a
: ?* q4 H+ x# a) I9 y30-400 Wiring of luminaires2 _* a0 O" W4 Q6 k# p
All electrical wiring on or within a luminaire shall be
6 P$ N$ E+ ~0 n" ^1 q(a) neatly arranged without excess wiring;
. ^8 E! p w/ y u4 h% a j: n9 t(b) not exposed to mechanical injury; and$ ]' e/ E% m# t
(c) arranged so that it is not subjected to temperatures above those for which it is rated.$ |: G- P/ R( O) o: C6 D
30-402 Colour coding' l: r$ V. D' I# w
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.$ O, X- u& Q" U
30-404 Conductor insulation& o/ N" K- e9 X2 D L. 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.
2 i5 t. }: Z8 z3 T0 D# t" W30-408 Wiring of ceiling outlet boxes
$ H* _5 ^; N& D1 ^+ M, 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.
' V+ k4 H3 y# n+ x x(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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