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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 ) r1 j: e* O) B
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30-400 Wiring of luminaires n! M6 i* `( b& n$ a5 [& @3 u; V
All electrical wiring on or within a luminaire shall be2 e( Z( C& L+ n, i
(a) neatly arranged without excess wiring;& U8 M# ]- C( c4 J5 y# H
(b) not exposed to mechanical injury; and& n) X5 F- S6 G( l$ _
(c) arranged so that it is not subjected to temperatures above those for which it is rated.. F$ [3 x6 g- I9 w
30-402 Colour coding) o7 h% P1 q2 k; O/ r) U
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.) v2 e+ h% x [8 H+ ]" R
30-404 Conductor insulation+ ?+ q% U3 t5 h% d
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.9 p8 a9 n! D f: o8 r( p. v
30-408 Wiring of ceiling outlet boxes) c( ^! _+ q. w }7 R) Y
(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.* J+ [6 ^, L; T& [) [
(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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