NEC® Articles ___ provide classification and installation standards for the use of electrical equipment in hazardous locations.

The National Electrical Code (NEC) Articles 500 through 516 specifically address the classification, installation, and equipment requirements for electrical installations in hazardous locations. These articles cover the definitions of hazardous classified areas, which include locations where flammable gases, vapors, or dust may be present, and provide guidelines on how to safely install and maintain electrical equipment in such environments.

Understanding these requirements is crucial for ensuring safety and compliance in settings where there is a risk of fire or explosion due to the presence of combustible materials. Articles 500 through 516 detail the various classes, divisions, and zones of these hazardous areas, as well as the types of electrical equipment that are suitable for use in them.

This comprehensive approach helps electrical contractors ensure that installations meet safety standards and operate effectively, minimizing any potential hazards associated with electrical systems in hazardous locations.