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

Courtesy of www.MikeHolt.com. Based on the 2023 NEC. Question: Backfill used for underground wiring shall not damage _____ or prevent adequate compaction of fill or contribute to corrosion. The answer ...

For this “Members Only Quiz”, we decided to test your NEC knowledge on grounding system requirements based on the NEC. This ...