How many 6 AWG THHN/THWN-2 fit in conduit
6 AWG THHN/THWN-2 is about 0.254 in across and 0.0507 sq in with its insulation (Chapter 9, Table 5). This is the most of it each conduit may hold, all the same size.
| Trade size | EMT | IMC | Rigid | PVC Sch 40 | PVC Sch 80 | Flex | Liquidtight | ENT |
|---|---|---|---|---|---|---|---|---|
| 3/8" | 1 | 1 | ||||||
| 1/2" | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| 3/4" | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 |
| 1" | 7 | 7 | 7 | 6 | 5 | 6 | 7 | 6 |
| 1-1/4" | 12 | 13 | 12 | 11 | 9 | 10 | 12 | 11 |
| 1-1/2" | 16 | 17 | 16 | 15 | 13 | 14 | 15 | 15 |
| 2" | 26 | 28 | 27 | 26 | 22 | 25 | 25 | 26 |
| 2-1/2" | 46 | 40 | 38 | 37 | 32 | 38 | 38 | |
| 3" | 69 | 62 | 59 | 57 | 51 | 55 | 59 | |
| 3-1/2" | 91 | 83 | 79 | 77 | 68 | 76 | 76 | |
| 4" | 116 | 107 | 101 | 99 | 89 | 99 | 100 | |
| 5" | 159 | 156 | 141 | |||||
| 6" | 230 | 225 | 202 |
Empty cells: that type isn't made in that size.
Other sizes of THHN/THWN-2
#14#12#10#8#6#4#3#2#1#1/0#2/0#3/0#4/0250 kcmil300 kcmil350 kcmil400 kcmil500 kcmil600 kcmil700 kcmil750 kcmil800 kcmil900 kcmil1000 kcmil