Page 767 - 2018_IRC

POWER AND LIGHTING DISTRIBUTION

TABLE E3904.6(9) (Annex C, Table C.9)—continued
MAXIMUM NUMBER OF CONDUCTORS IN RIGID PVC CONDUIT, SCHEDULE 80 (PVC-80) a
TRADE SIZES
CONDUCTOR SIZE
TYPE LETTERS (inches)
AWG/kcmil
1 3 1 1 1 1 2
/ 2 / 4 / 4 1 / 2
14 6 11 20 35 49 82
12 5 9 15 27 38 63
10 3 6 11 20 28 47
8 1 3 6 11 15 26
6 1 2 4 8 11 19
4 1 1 3 6 8 14
XHH, XHHW, XHHW-2 3 1 1 3 5 7 12
2 1 1 2 4 6 10
1 0 1 1 3 4 7
1/0 0 1 1 2 3 6
2/0 0 1 1 1 3 5
3/0 0 1 1 1 2 4
4/0 0 0 1 1 1 3
For SI: 1 inch = 25.4 mm.
a. Types RHW, and RHW-2 without outer covering.

742 2018 INTERNATIONAL RESIDENTIAL CODE ®
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