HPR is a highly effective recessed luminaire delivering excellent visual comfort and outstanding performance for offices, schools, healthcare, and retail applications. Advanced optical designs make HPR a powerful solution for low ceiling applications and eliminate the shadows common to other recessed products. Fixture assembly constructed using die formed 20 gauge cold rolled steel housing and ends. All components are hard tooled to tolerances of 0.010 inch. Ballast compartment is accessible from below. Optical system retained using hinged door frame assembly to provide easy access to ballast compartmentand for relamping from below without the need of tools. Seismic brackets are integrated into the fixture assembly. Additional wire entrances are positioned on the ends of the housing to allow easy wiring access for the installer.