本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 w: {% e- j+ N. G
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30-400 Wiring of luminaires T- Y) W6 d- fAll electrical wiring on or within a luminaire shall be ! G- x4 X. L) ?3 |8 u9 M( y(a) neatly arranged without excess wiring; 2 Q; I( v" D! n4 C7 N9 j1 E(b) not exposed to mechanical injury; and # e: o" D/ X( P" k+ j(c) arranged so that it is not subjected to temperatures above those for which it is rated.! s! \3 L! P& R" E3 \& v1 Z9 t! D* d
30-402 Colour coding 6 ^/ x; X9 f$ ?" H6 R/ kNotwithstanding 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.7 D( `& ]" ~9 `2 x
30-404 Conductor insulation ! Y& \" u! D4 e$ O& xLuminaires 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. * }5 A. X s1 Z1 a. d+ Z; Y. h30-408 Wiring of ceiling outlet boxes - f. v& i7 x. N' h; I- |(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.6 L: l( _* K$ O4 Q
(2) For purposes of compliance with this Rule, the ampacity of 90 °C wire shall be limited to the ampacity of 60 °C wire.