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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 luminaires
2 d% p& v7 F8 Q; H* WAll electrical wiring on or within a luminaire shall be
4 Y4 Q+ o( B m1 D% y( z4 \(a) neatly arranged without excess wiring;
& [3 C& K: E( C% R; c- Z: x7 Y7 {(b) not exposed to mechanical injury; and
8 d' r0 p* X n* T+ o2 U; s(c) arranged so that it is not subjected to temperatures above those for which it is rated.
3 R2 Y9 ^. u/ w: n30-402 Colour coding
8 Z) x l2 b* V! T/ rNotwithstanding 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.
8 p- M5 a- k# k- ?( D1 U30-404 Conductor insulation
7 |, t% N4 M; h: e# R6 c/ c9 zLuminaires 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.
& _- n+ f l# C* [30-408 Wiring of ceiling outlet boxes
R; Z. x5 Q) f# h(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.9 g2 u, @. S9 s; O
(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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