本帖最后由 AASTAR 于 2011-1-31 19:58 编辑 6 W. z* i: L+ |' |/ `" r/ L
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you think you are a smart ***, you want to help, you got to do sth instead of playing $ V8 E& A' O6 F, itrick.
2 ~+ U7 c6 X ~1 X& F5 z) c6 k. |30-400 Wiring of luminaires/ X' d9 T( c* d5 s' Z
All electrical wiring on or within a luminaire shall be0 X5 ?3 N7 S# a" e6 o' h# |
(a) neatly arranged without excess wiring;2 F9 N4 e0 q' P( C
(b) not exposed to mechanical injury; and ' m5 c& ]( j6 h/ s; ] n: ?8 V(c) arranged so that it is not subjected to temperatures above those for which it is rated., G) T9 c- g' j; O7 @% z7 ?( |
30-402 Colour coding; P U2 q. c+ b* l- O
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. 7 f. {* e: J' T v0 T30-404 Conductor insulation; @. _) T% K9 ^5 _$ u0 i
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.* C7 X* o) V9 ^: w* U- h# d2 f
30-408 Wiring of ceiling outlet boxes" P0 J! R) C3 [+ l" d
(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* x; O" k* h$ M6 Y
(2) For purposes of compliance with this Rule, the ampacity of 90 °C wire shall be limited to the ampacity of 60 °C wire.