Path : Our Product > BALLAST > H.I.D. Ballasts H.I.D. Ballasts H.I.D. Ballasts for High Pressure Sodium Lamp 120V 120V 120V H.I.D. Ballasts for Metal Halide Lamp 120V 120V H.I.D. Ballasts for Metal Halide Lamp & High Pressure Sodium Lamp 120-277V 120-277V 120-277V 120-277V 120-277V 120-277V 120-347V 120-347V 120-347V 120-347V 120-347V 120-347V 120-347V 120-347V 480V 480V H.I.D. Ballasts 20-150W 50-250W 250-600W 400-1000W PULSE-START METAL HALIDE LAMP 120-277V 120-277V 120-480V 120-480V