One caveat: It’s uglier than metal conduit ... so the NEC limits the number of wires you can install in PVC and all other conduit. This depends on the conduit size, the type (Schedule 80 ...

Underground cable and wire can be installed at different depths, depending on the type of conduit, wire or cable. Install galvanized rigid metal electrical conduit with individual insulated wires ...

What is a direct burial conduit? It is a pipe system that can be directly installed underground without the need for additional trenches or supports.