Universal ESB432-14 Fluorescent Sign Ballast, T12HO T8HO, 282W Max, 1-4 Lamp

Electronic Fluorescent Sign Ballast Max 282-Watt Input Power 1, 2, 3, or 4 T12HO Lamps (4-32 Feet Total) 1, 2, 3, or 4 T8HO Lamps (4-24 Feet Total) T12HO/T8HO Combination Parallel Wiring 120/277V