ConduitCount

How many 500 kcmil THW/THW-2 fit in conduit

500 kcmil THW/THW-2 is about 1.003 in across and 0.7901 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
1-1/4"11100010
1-1/2"11111111
2"11111111
2-1/2"3211111
3"4433333
3-1/2"6555455
4"7766566
5"10109
6"141413

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

Other sizes of THW/THW-2

The same size in other insulation