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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 ! L/ g* ?& t- C. x- o/ [
& y; c! k7 ]7 d; O) S! z) ~30-400 Wiring of luminaires. c7 h9 x2 W7 n& m1 ^$ q
All electrical wiring on or within a luminaire shall be
9 L$ y$ A6 h8 F! w6 }(a) neatly arranged without excess wiring; f% A, A% o4 @# ]
(b) not exposed to mechanical injury; and
7 X0 R0 a4 f/ W/ t% ?(c) arranged so that it is not subjected to temperatures above those for which it is rated.9 c$ x7 `9 Z# l3 n# L3 u, c* S( w l d
30-402 Colour coding& S+ C3 ~+ |9 @& O) g7 e& r
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.
0 K! y9 v8 [& v U: M9 Y" i30-404 Conductor insulation+ c6 K' z% x F# q2 m3 ]
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./ h7 S/ L2 A7 s6 [
30-408 Wiring of ceiling outlet boxes
3 y6 }6 O9 X, \3 X) e* m. e3 ^(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.+ _6 e' i# b b% o$ Y
(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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