NEC Article 520 addresses hazards related to which type of occupancy?

NEC Article 520 specifically deals with the electrical requirements and safety standards for theaters and similar entertainment venues. This article addresses the unique risks associated with performances and gatherings that can include large crowds, complex lighting needs, and specialized equipment. In theaters, the presence of fireworks, special effects, and various staging setups raises electrical hazards that necessitate specific guidelines to ensure safety for performers, staff, and the audience.

In contrast, other types of occupancies, such as gas stations, industrial plants, and residential buildings, are governed by different NEC articles that address their respective hazards and requirements. Each type of occupancy has its distinct risks and electrical considerations, leading to the categorization in the NEC that helps electricians apply the right standards to the right setting.