The Worker Series Low Bay fixtures are ideal for general purpose lighting including warehouse facilities, assembly areas, gyms, hangars, transportation garages, loading and staging areas. Suitable for indoor applications where ceiling height is less than or equal to 15 feet. Features: Die-formed steel ballast housing with white finish Wiring acces cover plate with additional 3/4 inch knockouts for thu-wire connectors, thru-wire box included Field-adjustable light distribution patterns Constant wattage autotransformer CWA high power factor ballast or equivalent, capable of starting and operating at -30 degrees C minimum Die-cast plate tapped 3/4 NPS accepts 3/4 inch pipe or 715NEW or 714S die cast hook Removable steel wiring compartment door for quick and easy mounting, allowing for hands-free mounting 45 degrees C rating.