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500 Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2
501 Class I Locations
502 Class II Locations
503 Class III Locations
504 Intrinsically Safe Systems
505 Zone 0, 1, and 2 Locations
506 Zone 20, 21, and 22 Locations for Combustible Dusts or Ignitible Fibers/Flyings
511 Commercial Garages, Repair and Storage
512 Cannabis Oil Equipment and Cannabis Oil Systems Using Flammable Materials
513 Aircraft Hangars
514 Motor Fuel Dispensing Facilities
515 Bulk Storage Plants
520 Theaters, Audience Areas of Motion Picture and Television Studios, Performance Areas, and Similar Locations
522 Control Systems for Permanent Amusement Attractions
525 Carnivals, Circuses, Fairs, and Similar Events
530 Motion Picture and Television Studios and Remote Lcoations
540 Motion Picture Projection Rooms
545 Manufactured Buildings and Relocatable Structures
547 Agricultural Buildings
550 Mobile Homes, Manufactured Homes, and Mobile Home Parks
551 Recreational Vehicles and Recreational Vehicle parks
552 Park Trailers
555 Marinas, Boatyards, Floating Buildings, and Commercial and Noncommercial Docking Facilities
590 Temporary Installations
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