本帖最后由 AASTAR 于 2011-1-31 19:58 编辑 5 A, C4 V7 B1 D* \4 Z5 Y4 r" A% @( E
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you think you are a smart ***, you want to help, you got to do sth instead of playing* \7 O, I X2 Y: w
trick.
本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 & n' C# h4 Y: O- U- g
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30-400 Wiring of luminaires& r" P. q4 A0 F$ k
All electrical wiring on or within a luminaire shall be 0 i! t; _% ]9 v' k$ C+ @(a) neatly arranged without excess wiring; 7 Q- N5 q: u# u9 j7 }(b) not exposed to mechanical injury; and 9 d8 }3 `" G7 G/ t* T+ x! o* W(c) arranged so that it is not subjected to temperatures above those for which it is rated.. [2 d- r) O: y5 @0 M# \
30-402 Colour coding% P0 u" s q% A' h
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.6 S$ F8 l8 i5 b$ V$ _5 ^
30-404 Conductor insulation( X# _( {: U* e5 o P o4 H
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.& T9 a6 T( n! d
30-408 Wiring of ceiling outlet boxes : @1 e% V3 e5 Y7 V* k) 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., T/ N% v5 q; s
(2) For purposes of compliance with this Rule, the ampacity of 90 °C wire shall be limited to the ampacity of 60 °C wire.