All questions and answers are based on the 2020 NEC. Q. What is the NEC requirement for securing and supporting rigid metal conduit (RMC)? A. RMC must be installed as ...

All questions and answers are based on the 2017 NEC. Q. What uses are not permitted for PVC conduit by the NEC? A. PVC conduit is not permitted to be used in the following locations: Hazardous ...

Here are some important things you need to know about underground wiring so it's safe and provides many years of service.