The F123 Series luminaire shall consist of an injection-molded UV stabilized conically shaped diffuser, an internal optical system and a mechanically fastened slip fitter (capital). The globe shall be secured to the gasketed fitter with stainless steel hardware. The fitter shall be made of cast aluminum and shall house a ballast assembly. 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.