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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑
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' {; m( R# Z/ ^30-400 Wiring of luminaires! p8 e! r$ j0 M
All electrical wiring on or within a luminaire shall be! r8 k; f! D3 x) s; ~
(a) neatly arranged without excess wiring;
$ t; f' m1 f' y+ \& X(b) not exposed to mechanical injury; and! b6 e6 [4 i0 y1 f' z2 Y
(c) arranged so that it is not subjected to temperatures above those for which it is rated.
4 ~& L6 k4 ^" Z: _, S! p" t+ {% S' \30-402 Colour coding! v5 p8 k( s) 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., o T) c& A1 P( |' Q
30-404 Conductor insulation) H9 g. P- }3 ~* N5 @% q
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.0 b) f% e- x8 q
30-408 Wiring of ceiling outlet boxes$ |' D/ |6 ^( j& l2 \4 m6 H% |* 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.
l9 A! \; e1 B' u+ T7 r(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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