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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/ J' l, N: \ t$ f5 A
All electrical wiring on or within a luminaire shall be4 K& a$ x) g7 M1 m- }9 L( w! F) P& C
(a) neatly arranged without excess wiring; b8 k* u" S2 j+ C1 F+ X6 Q/ e$ ]$ t
(b) not exposed to mechanical injury; and; `% Y. C1 x; H, F& G( u; n
(c) arranged so that it is not subjected to temperatures above those for which it is rated.& N. J5 C- j8 G: ^$ w
30-402 Colour coding
- O/ L" O0 e# G S" d c; qNotwithstanding 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. ?, E& n2 W Z( ?" z30-404 Conductor insulation$ H$ l% q; N( q
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.* L) ?1 U! E; E! W( O" F
30-408 Wiring of ceiling outlet boxes
5 f$ b% @" i! H' \+ y(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 z/ E! P5 Q# r(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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