CPVC vs PVC vs CTS

Some CPVC is the same dimensionality as PVC. PVC is not the same size as CTS. But, some CPVC is CTS-CPVC - being copper tube sized.

But note that plastic electrical conduit is the same size as regular pvc - [1].

And, LFMC is same size as PVC at 0.82-0.84 in- [2].

And, LFNC is nominal size as PVC - 0.81 nominal instead of 0.84 [3] which is probably the same.