All questions and answers are based on the 2011 NEC. Q. What are the grounding electrode requirements for a separately derived system, such as a transformer? [250.30(A)(4)] A. First of all, let’s ...

This safety procedure provides guidelines for safely working around electrical hazards. It includes provisions for training, lockout requirements, and specific types of work practices and the required ...

nVent Electric Plc provides electrical connection and protection solutions. It designs, manufactures, markets, installs, and services products and solutions that connect and protect some of the ...