Exterior surface-mount boxes—often molded PVC—have either threaded or glued hubs and are used with PVC electrical conduit. I like cast-aluminum boxes for outdoor projects. They’re extra ...

Every box must be adequately supported. And you’ll find the basic requirements in Sec. 314.23(A) through (H) of the National Electrical Code (NEC). You’re expected to exercise good judgment. For ...

All questions and answers are based on the 2023 NEC. Q. What are the NEC requirements related to flush-mounted boxes? A. The NEC requirements related to flush-mounted ...