1 Lamp, 120 Volt, 0.36 to 0.39 Amp, 0 to 39 Watt, Preheat, Magnetic, Nondimmable Fluorescent Ballast Price For: Each Lamp Type: T4; T5; T12 Lamp Wattage Range: 0-39 Voltage: 120 Number of Lamps: 1 Lamp Starting Method: Preheat Ballast Ballast Factor Range: Normal (0.75-0.99) & Normal/High (1.00-1.19) Ballast Type: Magnetic Lamp Wattage: 18; 25 Amperage Range: 0.36-0.39 Ballast Factor: 0.90; 1.05 Minimum Starting Temperature (F): 50 Total Harmonic Distortion (%): Dimmability: NonDimmable Can Code: I (3.063 x 1.375 x 1.813) Additional Information: Thermal Protection