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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 * b+ I: S7 \# L) O( _7 c4 g% U5 O
! M7 N4 h z' q& ^, U# l4 @) _30-400 Wiring of luminaires
5 |# o: Q1 @) w- j+ e; L5 ~* w" vAll electrical wiring on or within a luminaire shall be
$ { _2 h8 l, w2 V( J(a) neatly arranged without excess wiring;$ [7 v7 j/ z6 W8 n+ Z5 H& c% B
(b) not exposed to mechanical injury; and
% W" c' c$ p) }(c) arranged so that it is not subjected to temperatures above those for which it is rated.- k) k' n; ^* E* @
30-402 Colour coding
! x1 L8 ?: ~$ L2 ^! fNotwithstanding 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.' g! P( J8 c+ T$ r' d; u; V
30-404 Conductor insulation
& M5 U( \- F+ Y* a* c8 \: ILuminaires 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.1 c) G E' J+ }2 F
30-408 Wiring of ceiling outlet boxes( q" B& T3 p- j' _, r* F Z1 s" 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.4 I% c; v$ b; E; q1 u
(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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