Article 250 of the National Electrical Code (NEC) focuses on grounding and bonding. This Code Article is divided into 10 separate parts — each identified by a Roman numeral. Because of the terminology ...
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 ...
Fushi Copperweld's American research and development center has announced production of 4THOUGHT, a new copper-clad steel (CCS) grounding product for use in electrical substations. 4THOUGHT is a ...