 鲜花( 0)  鸡蛋( 0)
|
本帖最后由 AASTAR 于 2011-1-31 19:56 编辑
3 S- S n( W9 u2 d3 n
: z" b6 M8 G2 y f+ W30-400 Wiring of luminaires2 M- w9 b) s% V' d
All electrical wiring on or within a luminaire shall be% w& S% T; r, w8 R/ r
(a) neatly arranged without excess wiring;3 U# G' e' Q' O# p( c3 ]
(b) not exposed to mechanical injury; and
" `- Y6 k) x5 ?9 b(c) arranged so that it is not subjected to temperatures above those for which it is rated.
' w% J, H* j, x$ p, I30-402 Colour coding
; w: C6 w) d* @7 D bNotwithstanding 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.
" V9 x( B$ G/ k H30-404 Conductor insulation
! j! g* Y# a, y& @5 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.- f+ c7 Q( s8 |. w
30-408 Wiring of ceiling outlet boxes
( m) u d) x% ^* C4 F(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.
$ r9 m/ _3 d+ q; w; v% U8 A4 }. Q! X' n(2) For purposes of compliance with this Rule, the ampacity of 90 °C wire shall be limited to the ampacity of 60 °C wire. |
|