The use of structural metal as a grounding electrode is an issue that has been revised during several recent Code cycles. The 2011 NEC has once again revisited the rule explaining when a structural ...

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 ...

For starters, the term "ground" refers to a conductive body, which is typically the earth. The act of "grounding" means creating a low-resistance path between an electrical circuit or equipment to the ...