It depends.
See Table 11
Conditions of use, voltage, and temperature ratings of flexible
cords, heater cords, tinsel cords, equipment wires, Christmas-tree
cords, portable power cables, elevator cables, stage
lighting, and festoon cables
(See Rules 4-012, 4-020, 4-040, and 12-010.)
Notes:
(1) Types REW, SEW, SEWF, TEW, and TEWN shall be permitted in raceways for Class 1 circuits in accordance with
Rule 16-112(2).
Rule 16-112 Insulated conductors for Class 1 wiring
(1) Where conductors larger than No. 16 AWG copper are used in a Class 1 circuit, they shall be of any type
selected in accordance with Rule 4-008(1).
(2) Where conductors of No. 18 or No. 16 AWG copper are used in a Class 1 circuit, they shall be equipment
wire of the type suitable for such use as selected in accordance with Rule 4-020(1).
Rule 4-020
4-020 Equipment wire (see Appendix B)
(1) Equipment wire shall be of types specified in Table 11 for the specific condition of use and shall be suitable
for the particular location involved with respect to, but not limited to
(a) moisture;
(b) corrosive action;
(c) temperature;
(d) degree of enclosure; and
(e) exposure to mechanical damage.
(2) Equipment wire used as luminaire wiring shall be not smaller than a No. 18 AWG copper conductor.
(3) Equipment wire, including its assemblies for applications other than that given in Subrule (2), shall be not
smaller than No. 26 AWG copper when rated 300 V and not smaller than No. 24 AWG copper when rated
600 V.
(4) The maximum current that an equipment wire of a given size is permitted to carry shall be as specified in
Table 12.
It depends. You may want to run it by the AHJ.
Bill
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"Why not the best?"
Jimmy Carter
