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本帖最后由 AASTAR 于 2011-1-31 19:56 编辑 7 y2 b' H% |& M _
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30-400 Wiring of luminaires
$ |0 \( d' Y5 H- ]8 M$ Y3 TAll electrical wiring on or within a luminaire shall be
. e( x. \) j. v3 i(a) neatly arranged without excess wiring;
- K( N8 F0 P5 W$ ?8 K(b) not exposed to mechanical injury; and
W* T- o/ I8 W, v+ C9 J! |( q(c) arranged so that it is not subjected to temperatures above those for which it is rated.
" V: R/ e' ~$ s30-402 Colour coding' w) l$ m( o( M4 o% b$ H
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.
5 z9 k, H. T# h+ ?30-404 Conductor insulation
. B* y U& }: Q- L0 W, b3 ]: J; a" ?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.' a4 y7 C1 E! |) M8 j' Y
30-408 Wiring of ceiling outlet boxes
2 {% X% C6 J2 {; Z4 V% w W(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.
% `- a: [# k; v% l* P- 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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