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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 luminaires2 o, r _ q2 F
All electrical wiring on or within a luminaire shall be7 N/ {4 ^( U& X9 ~
(a) neatly arranged without excess wiring;
8 C- x" A0 r# X/ ^* i(b) not exposed to mechanical injury; and
% D' L4 i2 n6 v" f) y8 C% r8 z(c) arranged so that it is not subjected to temperatures above those for which it is rated.
* q! b. _1 ?7 l1 ^' D. {30-402 Colour coding
1 ~$ x% @! J* X9 B: \7 G9 lNotwithstanding 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.* o: E3 @7 I1 G, O( z
30-404 Conductor insulation" u7 Y# m5 n( m; ]) C! 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.' n, D' D# c8 [" F' X& p) x+ b# v; w
30-408 Wiring of ceiling outlet boxes6 x* U9 T) x' N0 D7 Y, y
(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.
! m: @% r! c; V& F/ Q/ z& V! d- b(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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