The main designations of PVC electrical conduit are Schedule 40 and Schedule 80 ... are laid out in the NEC’s Chapter 9, Table 1, and Informative Annex C. As a general rule, if you’re ...

Schedule 80 Conduit Purpose Schedule 80 PVC conduit earns its reputation through its thicker walls compared to Schedule 40 PVC. This increased wall thickness translates into superior mechanical ...