本帖最后由 AASTAR 于 2011-1-31 19:58 编辑 6 s9 W9 W* e9 C! i5 J6 \* {0 J) z1 Z' s
you think you are a smart ***, you want to help, you got to do sth instead of playing & e: ]1 ?* e9 }6 ]& etrick.
本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 7 r( t8 c( d( _+ V" ~/ _+ Z0 {. q! ]/ o
30-400 Wiring of luminaires & `3 C+ o; T9 q0 W$ t5 FAll electrical wiring on or within a luminaire shall be, e+ X$ [5 ]( M+ {
(a) neatly arranged without excess wiring;2 u% }$ I$ B$ c9 }" x$ t6 y& m
(b) not exposed to mechanical injury; and: ^% p% L8 V6 l: I' J1 q
(c) arranged so that it is not subjected to temperatures above those for which it is rated.6 N- E. m# n% V
30-402 Colour coding9 g+ q4 p4 P1 \8 o) }0 o+ \8 b
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./ T6 A3 }1 q b% h
30-404 Conductor insulation 7 l- f0 C2 N7 MLuminaires 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.& F% y* z6 K4 k% p
30-408 Wiring of ceiling outlet boxes 9 b6 ?8 W4 ?7 }6 E5 J# q(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. % e/ g7 X" e D4 G( x! ](2) For purposes of compliance with this Rule, the ampacity of 90 °C wire shall be limited to the ampacity of 60 °C wire.