What does Article 502 address in relation to hazardous locations?

Article 502 specifically addresses Class II locations, which are areas where flammable dusts are present in the environment. This article outlines the requirements for electrical installations in these settings to prevent dust-related hazards. Class II locations can be found in industries such as food processing, grain handling, and woodworking, where dust can accumulate and pose a risk of fire or explosion.

The NEC delineates Class II locations further into divisions, detailing specific requirements for equipment and wiring methods in order to mitigate the dangers associated with dust. These regulations ensure that electrical systems do not ignite dust clouds or ignite accumulated dust, thus protecting both personnel and property.

Understanding the scope of Article 502 is crucial for electrical professionals working in environments where flammable dust exists, as it provides essential guidelines that help maintain safety and compliance with national standards.