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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 luminaires1 b4 W; }8 G G H( g S0 b& J
All electrical wiring on or within a luminaire shall be4 p( z# y+ |/ j/ T; S: j) m
(a) neatly arranged without excess wiring;
( b( Y' A/ |$ J/ T* L# c(b) not exposed to mechanical injury; and
7 C- @" R. w( J! D8 D, ]2 q(c) arranged so that it is not subjected to temperatures above those for which it is rated.
) N3 D: P3 L1 Z8 \ b; d& P30-402 Colour coding
, @, F7 `+ Y5 _7 @/ wNotwithstanding 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.
: c/ a* _: _: h/ W2 s M30-404 Conductor insulation, ]. Z: }; j* U7 u3 w& y' E( I0 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.
+ g( ~. q& D% H. |30-408 Wiring of ceiling outlet boxes
) N. m9 r3 U* E/ h( R1 m X(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.
* P1 o; K2 i. b# f(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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