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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
' P/ P9 M( A: X0 wAll electrical wiring on or within a luminaire shall be
! N' N0 ]# F4 h$ v+ A1 h) o(a) neatly arranged without excess wiring;! t5 t& j' s/ @, L! [" v# J
(b) not exposed to mechanical injury; and
6 ]7 A+ ]! N& a(c) arranged so that it is not subjected to temperatures above those for which it is rated.
; J% F. O, Z1 t9 J Q30-402 Colour coding& B% q$ J3 f+ o
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.
2 Y% ^1 N* U3 [30-404 Conductor insulation% f ~4 s2 {! n6 w+ L6 q* A1 L" 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.
% S4 I' x8 ~* x; }4 I* v* C30-408 Wiring of ceiling outlet boxes1 Z) J, `* e/ o
(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.
0 B/ d& J. v: j(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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