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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( A6 l3 h$ w0 T2 Y% o& I/ w) B0 f; Y
All electrical wiring on or within a luminaire shall be
6 W. V: V3 t) \( g8 P1 n(a) neatly arranged without excess wiring;
9 o# [7 n4 ^2 w8 \6 r9 `! s(b) not exposed to mechanical injury; and
) u6 Z8 j, M. @" o+ e(c) arranged so that it is not subjected to temperatures above those for which it is rated.
+ o: o& q$ A: g0 J2 J. U# n7 K30-402 Colour coding7 s. r: A3 X" E4 ^
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.- Y( v. c: V# D$ v
30-404 Conductor insulation9 L& `+ G% h; r, I, I$ m% Q
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., r( I5 R) C o
30-408 Wiring of ceiling outlet boxes
( _. q1 O. H( a; z1 ~) |(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.
8 o5 O+ m* F. {8 V7 r7 M; {(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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