Ground loops are a common yet often overlooked issue in building electrical systems. While they may seem minor during design or construction, ground loops can significantly impact system performance ...

A friend who was buying an older house was concerned about electrical safety and asked for my opinion as an electrical engineer. All of the AC receptacles (also called outlets) in the house were the ...

All questions and answers are based on the 2017 NEC. Q. What uses are not permitted by the NEC for liquidtight flexible nonmetallic conduit? A. Liquidtight flexible nonmetallic conduit cannot be used ...