How many 1 AWG THW/THW-2 fit in conduit
1 AWG THW/THW-2 is about 0.492 in across and 0.1901 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 |
|---|---|---|---|---|---|---|---|---|
| 3/4" | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1" | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1-1/4" | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 3 |
| 1-1/2" | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 |
| 2" | 7 | 7 | 7 | 7 | 6 | 7 | 7 | 7 |
| 2-1/2" | 12 | 11 | 10 | 10 | 8 | 10 | 10 | |
| 3" | 18 | 16 | 15 | 15 | 13 | 15 | 15 | |
| 3-1/2" | 24 | 22 | 21 | 20 | 18 | 20 | 20 | |
| 4" | 31 | 28 | 27 | 26 | 23 | 26 | 26 | |
| 5" | 42 | 41 | 37 | |||||
| 6" | 61 | 60 | 54 |
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