本帖最后由 AASTAR 于 2011-1-31 19:58 编辑 # I. L& m6 i2 T! D6 S4 }: ^" D ^- i- o z* A, i
you think you are a smart ***, you want to help, you got to do sth instead of playing1 w, F/ u! E% j
trick.
本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 # z/ j+ I/ z2 D" _% e4 f1 ]! x/ X. J; z! s! z9 Z1 }( w
30-400 Wiring of luminaires, z) ]& s, r" j0 A
All electrical wiring on or within a luminaire shall be 8 j+ O$ }( z+ M9 A2 v% `( `(a) neatly arranged without excess wiring; ( L: \ S9 P9 y& F( F(b) not exposed to mechanical injury; and 1 }/ ~% _+ a7 n1 q1 o z# z(c) arranged so that it is not subjected to temperatures above those for which it is rated.4 j0 f/ F1 A6 E' Y' J9 A' w
30-402 Colour coding7 Q' u% {- {, X3 n" K
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. 0 k& j. d7 E2 {/ m" t30-404 Conductor insulation ( }' V: x. R3 ^3 x" _" @( r# F7 LLuminaires 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 s" Q* X( V' l8 N& \( c2 r30-408 Wiring of ceiling outlet boxes' G9 E8 e7 b. r S7 j: _
(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. Q7 m9 c3 f3 o; u5 U(2) For purposes of compliance with this Rule, the ampacity of 90 °C wire shall be limited to the ampacity of 60 °C wire.