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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 . M- |- M S- c! D8 s4 H
3 e5 Q1 ^. U9 s7 V6 ?0 A30-400 Wiring of luminaires
6 F! b# G _9 }3 ?9 e7 x) GAll electrical wiring on or within a luminaire shall be
u4 Z" ?0 I* N, v1 V(a) neatly arranged without excess wiring;' X, [& K. B/ J* U" p' |7 r& Y! v2 C
(b) not exposed to mechanical injury; and4 u2 @0 q; ?' n, B$ I/ I# S$ T
(c) arranged so that it is not subjected to temperatures above those for which it is rated.
% m' Z3 w1 p! ^6 a! R30-402 Colour coding5 S6 a! R: f$ u# {5 |/ r H
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.' v _2 q) R( ^0 _3 A2 U
30-404 Conductor insulation
+ I- k* A V2 j& B$ C5 q0 VLuminaires 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.
/ A' C" L% R+ G30-408 Wiring of ceiling outlet boxes% D: a7 F( `% ~. _( b( e
(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.. x3 v$ ]4 h' O4 T9 A% F/ L
(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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