 鲜花( 0)  鸡蛋( 0)
|
本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 & A" Y6 r, ^' K2 x
# D1 L4 J z! ~' O# F5 u30-400 Wiring of luminaires4 G6 O1 x6 R% l# P+ z
All electrical wiring on or within a luminaire shall be
- h0 W. T' O; T9 L+ R(a) neatly arranged without excess wiring;4 J; _# b# Q3 m' Y) H
(b) not exposed to mechanical injury; and
; m) A0 K* m0 V(c) arranged so that it is not subjected to temperatures above those for which it is rated.
, V% L, A( y/ R: t, z/ b6 y8 z30-402 Colour coding; r9 S# e1 Z7 x: M2 \6 z) G) V
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.
$ t8 ~$ I, r8 S2 [8 e30-404 Conductor insulation( p S0 Y, z9 k, 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.3 s: b( J0 E& r
30-408 Wiring of ceiling outlet boxes' g H& p' c2 N' s F# u
(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.
* ]9 o% T% ?3 _/ E8 C% _1 W* E( |1 d(2) For purposes of compliance with this Rule, the ampacity of 90 °C wire shall be limited to the ampacity of 60 °C wire. |
|