本帖最后由 AASTAR 于 2011-1-31 19:58 编辑 % }. ?5 i8 C$ [+ d! \" t9 f5 u. b. i# N6 B% G
you think you are a smart ***, you want to help, you got to do sth instead of playing 2 E. v/ B) A; c: P, A% R! y; Gtrick.
本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 . E9 }* Z6 n8 L; Z4 ?6 b( Z
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30-400 Wiring of luminaires P2 j9 H/ x Q2 i+ a" U: Y7 {3 A
All electrical wiring on or within a luminaire shall be/ r- d b* C7 W1 c0 W
(a) neatly arranged without excess wiring;- A6 c- a0 \/ V1 F
(b) not exposed to mechanical injury; and( s0 R2 E& ^; X# y5 P' E" x
(c) arranged so that it is not subjected to temperatures above those for which it is rated.2 z6 _, p+ x7 {& U) [* g# F
30-402 Colour coding " p9 a# j8 o1 q! ONotwithstanding 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.5 W! F9 v M6 X) x; _
30-404 Conductor insulation 6 ]5 h) O4 ~& B. V/ N/ \5 i f. tLuminaires 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. " q% p3 J; A7 S7 Q30-408 Wiring of ceiling outlet boxes. q6 A2 s/ Z6 ~
(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.' W" ?5 ~3 H# {
(2) For purposes of compliance with this Rule, the ampacity of 90 °C wire shall be limited to the ampacity of 60 °C wire.