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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 luminaires7 F- Y5 u" {- _' u# ?2 s
All electrical wiring on or within a luminaire shall be8 u0 J* P5 @/ c2 n' [
(a) neatly arranged without excess wiring;
3 J6 C- {8 L9 P- N(b) not exposed to mechanical injury; and3 h7 B5 A" _& H* b
(c) arranged so that it is not subjected to temperatures above those for which it is rated./ E5 k. t- W5 d/ c
30-402 Colour coding& j* \) W4 ? r- k
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.6 K6 n. J% ~7 j$ ~/ D; `! {
30-404 Conductor insulation) z) u2 L9 ~* C# P, e
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 o+ N- y& b, Z2 o6 A! A3 U N30-408 Wiring of ceiling outlet boxes
! L; U" e9 r- ^ ~(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 Q+ I# w" v- v; c t. z(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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