本帖最后由 AASTAR 于 2011-1-31 19:58 编辑 3 w4 a u' l# y! v; y3 B! R9 n$ a7 k/ R) F9 I9 }3 O
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0 w9 ]' g' d. g2 k1 O% J4 Q30-400 Wiring of luminaires 3 t: G3 E) I5 B* qAll electrical wiring on or within a luminaire shall be : {! X: c( k& H. A/ e+ C(a) neatly arranged without excess wiring; 8 |5 d& V+ U0 H(b) not exposed to mechanical injury; and 3 R( N ]' }+ {2 T(c) arranged so that it is not subjected to temperatures above those for which it is rated. ) ?* w$ D/ g# g- _( @1 |1 a6 X30-402 Colour coding 1 @: C; _4 Q% lNotwithstanding 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. 6 z. ]9 e. @( d4 ?8 e j30-404 Conductor insulation/ L" ~4 x9 o% M* ?3 ~( 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./ F9 i0 M5 L2 _) g" v: s6 e
30-408 Wiring of ceiling outlet boxes " {% x* I% F, J5 B- |# M6 B(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. ' F3 P* z' `- A' z5 L(2) For purposes of compliance with this Rule, the ampacity of 90 °C wire shall be limited to the ampacity of 60 °C wire.