The Third Edition of this best-selling text continues to familiarize electricians with the intricate details of performing electrical installations in hazardous locations. Intended to serve as a general reference on the classes, groups, and divisions of hazardous locations, the text provides users with a comprehensive introduction to what hazardous locations are and are not, before progressing to more complex topics such as the requirements for equipment protection systems, protection against ignition from static electricity and lightning, and NEC (R) compliance. Completely updated, Electrical Installations in Hazardous Locations, Third Edition now includes information on the availability of new technology, as well as the latest national and international codes and standards.