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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 + Q+ ]4 |. s8 ^4 c6 t4 U
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30-400 Wiring of luminaires
/ ^" ^ ^( m1 X4 z; kAll electrical wiring on or within a luminaire shall be2 q' `/ Z; ], r0 l) A y" J6 L
(a) neatly arranged without excess wiring;
! \0 U; V9 q# i6 X9 o+ h+ |- q(b) not exposed to mechanical injury; and3 ]3 v/ d' R( m) R
(c) arranged so that it is not subjected to temperatures above those for which it is rated.% V& w( U+ {3 u5 | T
30-402 Colour coding+ D: I& c2 ` Y+ H1 T2 a0 A
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.
# e+ v) B1 }- o30-404 Conductor insulation. I! T0 z! y4 F3 P( g& w; ]" _
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.
) v _) O; r1 m, I30-408 Wiring of ceiling outlet boxes
7 M$ S7 z0 N$ z* y$ U1 ~# W(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.
" d, D$ o& j" b7 G) a. n8 `(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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