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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 luminaires; a7 Q4 E1 h, g2 d
All electrical wiring on or within a luminaire shall be
( i: j% P" o9 l3 e! E8 w(a) neatly arranged without excess wiring;
, `, w7 ?% v+ B1 j(b) not exposed to mechanical injury; and
; F4 S1 r( k) O0 ](c) arranged so that it is not subjected to temperatures above those for which it is rated.0 o' i% u- d" `/ b- z
30-402 Colour coding& Q( B0 |8 Z7 x" Z3 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.
R2 e) c0 E8 Z- }. Y30-404 Conductor insulation
# T0 h6 M/ Y! F1 i6 p% JLuminaires 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 O9 _4 j- M! J# A( ~ [
30-408 Wiring of ceiling outlet boxes
4 Q- D6 ~" b4 \# y: 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.2 q4 L, u! i( ^! M7 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. |
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