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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# z" \4 R) D" | j, s6 g2 A) x
All electrical wiring on or within a luminaire shall be
) p0 a: `' j* o! P7 G1 n% P(a) neatly arranged without excess wiring;
- z: K/ y) |0 _" R; b+ ?! @(b) not exposed to mechanical injury; and
' N; Y0 ^' U' Q G( \' C+ t(c) arranged so that it is not subjected to temperatures above those for which it is rated.. e9 C& k3 w' K" K% w
30-402 Colour coding
0 Z7 x E5 i9 o* u) ?9 l* b0 B; |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: u4 a! M7 C# F" g
30-404 Conductor insulation* Z" v3 Z# k, A1 ]
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# S! w5 w& x9 v) S30-408 Wiring of ceiling outlet boxes+ i( f" Q7 }% }# t9 \0 ^
(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.
" T8 a! q2 J7 F$ ^4 P' G(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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