Based on the 2020 NEC. The grounding electrode provides the essential function of connecting the electrical system and electrical equipment to the earth. In some cases, the grounding electrode(s) ...

When the NEC speaks of health care facilities, it means places where people are obtaining medical, dental, psychiatric, nursing, obstetrical, or surgical care [517.1]. That doesn’t necessarily mean a ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Commercial and industrial facility management requires ...