And yes, you do need to enclose electrical cables in conduit when running them outdoors, with one exception: You can run UF (Underground Feed) or UF-B cable underground and bury it without ...

An electrical cable is classified by two numbers separated ... Depending on the situation, UF is either direct-buried or run ...

I think one contributing factor for this rigid PVC conduit being snapped apart was the lack of an expansion fitting on this conduit run. Section 352.44 requires expansion fittings to be installed ...