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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 4 Q3 f: n) Y0 i$ E. d5 f
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30-400 Wiring of luminaires# ~0 ~0 e. I! @0 j, \! P+ b( }
All electrical wiring on or within a luminaire shall be/ E. Z; V, J, M& d3 W
(a) neatly arranged without excess wiring;4 R6 @$ _: f9 b% W \% A6 g
(b) not exposed to mechanical injury; and/ L% ]8 S6 w& N) R% x# l
(c) arranged so that it is not subjected to temperatures above those for which it is rated.: X- n1 i8 O" [
30-402 Colour coding
5 d, q! D+ P& h; \& u$ cNotwithstanding 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.
; E; b6 Z& \' z2 H+ _ B5 ]# z# y30-404 Conductor insulation
K+ Q# g9 k5 f/ @* g# ULuminaires 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 g+ U3 X' D7 q$ P& J
30-408 Wiring of ceiling outlet boxes9 @( R, }) r7 X1 _6 {
(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.! q* Y7 w1 c- B% y7 ~# H
(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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