6 Pack PAR38 LED Bulb, 2,000 Lumens, 19.5W, E26 Base, 4000K, 120 277V Mounting_Slipfitter Mount This quality 120 277V electronic ballast This quality 120 277V electronic ballast features a high power factor and a normal ballast factor The WISDOM Series Square Steel Poles are built from high strength square tube and are available side drilled for arm mounted area lighting luminaires or with tenon mounts for flood and post top luminaires engineered to replace traditional 250W halogen lamps while delivering superior energy efficiency it eliminates the need for ballasts and is fully dimmable with both forward and reverse phase controls*