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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 % D2 e3 _, d6 {
) e! u9 c/ s0 t6 W& Z8 B30-400 Wiring of luminaires ~. T0 x+ U, r9 F% p5 N
All electrical wiring on or within a luminaire shall be) ]4 H1 K& _1 h7 g& F
(a) neatly arranged without excess wiring;
& n# I" T% d1 ~! y0 d. p( s(b) not exposed to mechanical injury; and
$ R, U$ B, d1 E1 F" D1 y! Y" i(c) arranged so that it is not subjected to temperatures above those for which it is rated./ g: c/ V/ A( ]/ A+ ^1 g. M& z
30-402 Colour coding, t- U) S4 J1 T) i3 w3 R; M, D- c
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.3 A3 s, c5 i0 W, Z: @" J m
30-404 Conductor insulation
* H, R2 i9 s) \5 h6 WLuminaires 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.
. g& x0 i8 h) O' s+ H2 R30-408 Wiring of ceiling outlet boxes
, K l( x3 Q. v/ x( c/ A/ P# N; ^(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.
Z5 d, J# F4 n% g: ^8 w/ W(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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