Table C.11 Maximum Number of Conductors in Rigid PVC Conduit, Schedule 40 and HDPE Conduit

(Based on Chapter 9: Table 1, Table 4, and Table 5)

Type	Conductor Size (AWG/kcmil)	Trade Size (in)
		1/2	3/4	1	1 1/4	1 1/2	2	2 1/2	3	3 1/2	4
THHN, THWN, THWN-2	14	11	21	34	60	82	135	193	299	401	517
	12	8	15	25	43	59	99	141	218	293	377
	10	5	9	15	27	37	62	89	137	184	238
	8	3	5	9	16	21	36	51	79	106	137
	6	1	4	6	11	15	26	37	57	77	99
	4	1	2	4	7	9	16	22	35	47	61
	3	1	1	3	6	8	13	19	30	40	51
	2	1	1	3	5	7	11	16	25	33	43
	1	1	1	1	3	5	8	12	18	25	32
	1/0	1	1	1	3	4	7	10	15	21	27
	2/0	0	1	1	2	3	6	8	13	17	22
	3/0	0	1	1	1	3	5	7	11	14	18
	4/0	0	1	1	1	2	4	6	9	12	15
	250	0	0	1	1	1	3	4	7	10	12
	300	0	0	1	1	1	3	4	6	8	11
	350	0	0	1	1	1	2	3	5	7	9
	400	0	0	0	1	1	1	3	5	6	8
	500	0	0	0	1	1	1	2	4	5	7
	600	0	0	0	1	1	1	1	3	4	5
	700	0	0	0	0	1	1	1	3	4	5
	750	0	0	0	0	1	1	1	2	3	4
	800	0	0	0	0	1	1	1	2	3	4
	900	0	0	0	0	1	1	1	2	3	4
	1000	0	0	0	0	0	1	1	1	3	3