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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 , a/ t+ o }8 ` I. s; u
" h' U3 @" U! x# a/ F30-400 Wiring of luminaires
: [& z/ `: b+ b% q" kAll electrical wiring on or within a luminaire shall be
5 _2 h4 E/ C& C# Z5 U(a) neatly arranged without excess wiring;/ ?, {5 Y( v1 V3 Z, h/ S
(b) not exposed to mechanical injury; and. j3 q; d; D, ?% ?; b
(c) arranged so that it is not subjected to temperatures above those for which it is rated.
: e$ V7 R3 B$ s, |30-402 Colour coding
' j% Y) k* r% pNotwithstanding 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.
: H+ t" J1 d7 |30-404 Conductor insulation" _, m& e: x. b1 F# J; @7 z
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. K9 b8 X- y! J9 V/ w
30-408 Wiring of ceiling outlet boxes+ ^1 z& _! w: }: S0 O r( t3 }. j2 E
(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.
% Y: `1 z" P# L- t; P(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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