本帖最后由 AASTAR 于 2011-1-31 19:58 编辑 ! U* b \( }; L% r9 U& Z! z: A8 X" W6 r1 J
you think you are a smart ***, you want to help, you got to do sth instead of playing! I+ U- W) N6 D: i- G9 o* u
trick.
本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 ( I4 U5 a- Q! C2 H/ W0 _" S
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30-400 Wiring of luminaires ) |+ }! k2 K% r+ k" MAll electrical wiring on or within a luminaire shall be$ r" a" O6 E( _4 ]3 @2 q
(a) neatly arranged without excess wiring;% E) j: U* c8 n$ k$ G" ]
(b) not exposed to mechanical injury; and ' k2 F0 h# x5 S& O! Z(c) arranged so that it is not subjected to temperatures above those for which it is rated.+ w! W7 }; ?9 ?# Z
30-402 Colour coding + R$ y: I. T% W% o5 V' N2 fNotwithstanding 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. , Y! q2 T& @) G30-404 Conductor insulation7 Q9 w8 t- s: ^0 e
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. 9 }$ |% W% `( y! D% C. L30-408 Wiring of ceiling outlet boxes 5 O& w6 C1 M$ L0 Y/ 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.- {6 W9 C! E8 l" F
(2) For purposes of compliance with this Rule, the ampacity of 90 °C wire shall be limited to the ampacity of 60 °C wire.