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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 % J% V# g" l2 r3 Q5 L
! U2 ? s8 A1 B6 P# `) |/ Q) v30-400 Wiring of luminaires. _6 B/ y4 p) [# V# B8 x! y
All electrical wiring on or within a luminaire shall be
+ v6 B$ r8 t' E% y5 H(a) neatly arranged without excess wiring;
, |: r. l0 H( t# s2 \" x(b) not exposed to mechanical injury; and
, A& K+ O! Y4 ?/ W+ m2 b(c) arranged so that it is not subjected to temperatures above those for which it is rated.
( q# T. n) z! g- X30-402 Colour coding
% Y9 J; J/ s& l' A9 ^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 }# i7 Y. S$ d/ [% ^9 L
30-404 Conductor insulation- C+ A. j E. v1 q& G1 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 d: G. s: f* T- W) h' \# T- X
30-408 Wiring of ceiling outlet boxes
7 ~# G5 ~* m# }0 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.
/ @) M. c- @; c(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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