The F206 Series luminaire shall consist of a cast aluminum ballast compartment, a formed aluminum reflector and a refractive diffuser. The diffuser shall be secured to the gasketed luminaire body with a cast aluminum ring and shall feature a tool free access via a spring-loaded latch. The ballast shall feature quick disconnect plugs for easy maintenance. The ballast shall be factory wired, tested and mounted on a keyholed cast aluminum plate together with a 4kV porcelain socket. Lamps are not included and shall be supplied by others. All electrical components shall be UL listed and labeled.