How many 4 AWG THW/THW-2 fit in conduit
4 AWG THW/THW-2 is about 0.352 in across and 0.0973 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" | 0 | 1 | ||||||
| 1/2" | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 3/4" | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1" | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 |
| 1-1/4" | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 6 |
| 1-1/2" | 8 | 9 | 8 | 8 | 7 | 7 | 8 | 8 |
| 2" | 13 | 15 | 14 | 13 | 12 | 13 | 13 | 13 |
| 2-1/2" | 24 | 21 | 20 | 19 | 17 | 20 | 20 | |
| 3" | 36 | 32 | 31 | 30 | 26 | 29 | 30 | |
| 3-1/2" | 47 | 43 | 41 | 40 | 35 | 39 | 40 | |
| 4" | 60 | 56 | 53 | 51 | 46 | 51 | 52 | |
| 5" | 83 | 81 | 73 | |||||
| 6" | 120 | 117 | 105 |
Empty cells: that type isn't made in that size.
Other sizes of THW/THW-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