本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 5 u7 A5 y l! {3 }( ^. x. y' @3 I7 }) O
30-400 Wiring of luminaires j8 F# G. s8 e6 }6 U( a0 {# C, {
All electrical wiring on or within a luminaire shall be# A( {; g) v: U( f" a
(a) neatly arranged without excess wiring; : J' g3 W2 m* K' R/ x: g(b) not exposed to mechanical injury; and % X* Y6 Y% L" m# T! Q7 Z* \8 \(c) arranged so that it is not subjected to temperatures above those for which it is rated. 4 p! k! R. ]8 O3 m7 V, m4 F {30-402 Colour coding4 ~* \% c; H; Q
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. : {% A% q( C. l9 j! `) N30-404 Conductor insulation l% h2 ~3 ~% q; I' ^) w; }. a6 y
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. 8 P- h: _' S ?3 T% c0 t: O30-408 Wiring of ceiling outlet boxes ' ]# \8 z e$ w; c' j! 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. & b+ |: g- N/ B(2) For purposes of compliance with this Rule, the ampacity of 90 °C wire shall be limited to the ampacity of 60 °C wire.