ConduitCount

How many 900 kcmil THHN/THWN-2 fit in conduit

900 kcmil THHN/THWN-2 is about 1.252 in across and 1.2311 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
2"11111111
2-1/2"1111111
3"3111111
3-1/2"3333333
4"4444344
5"666
6"998

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

Other sizes of THHN/THWN-2

The same size in other insulation