ConduitCount

How many 10 AWG THW/THW-2 fit in conduit

10 AWG THW/THW-2 is about 0.176 in across and 0.0243 sq in with its insulation (Chapter 9, Table 5). This is the most of it each conduit may hold, all the same size.

Trade sizeEMTIMCRigidPVC Sch 40PVC Sch 80FlexLiquidtightENT
3/8"13
1/2"55543554
3/4"89986898
1"1415141311131413
1-1/4"2427252420212524
1-1/2"3336343228303232
2"5559565447545354
2-1/2"96848077688180
3"145130123119106116123
3-1/2"190174164160143158160
4"243224212206185207209
5"332325294
6"480470421

Empty cells: that type isn't made in that size.

Other sizes of THW/THW-2

The same size in other insulation