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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑
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30-400 Wiring of luminaires7 E7 v' g: \/ f( x' o
All electrical wiring on or within a luminaire shall be
. S3 j* J% P( [8 A) q(a) neatly arranged without excess wiring;% ~+ z; X' H$ q1 o! U
(b) not exposed to mechanical injury; and% A7 k/ ^, {$ H( ?
(c) arranged so that it is not subjected to temperatures above those for which it is rated.
9 [% H! N9 W# \+ U: z. q; ~30-402 Colour coding* ] n2 S. M3 }" I0 |& I
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.
- ?+ p+ k* S) Y8 [% _30-404 Conductor insulation" n I6 z$ F0 B& n [$ ~% | @
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.+ W2 @6 V* O+ N- f7 r7 W
30-408 Wiring of ceiling outlet boxes
5 ?0 p7 s) j( S' s" N+ \9 t(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.
6 f& g/ y. `- E4 c" v(2) For purposes of compliance with this Rule, the ampacity of 90 °C wire shall be limited to the ampacity of 60 °C wire. |
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