Step 3 - Select the wattage and number of lamps the ballast will operate.
42 Watt – 1 Lamp
42 Watt – 2 Lamp
42 Watt – 3 Lamp
42 Watt – 4 Lamp
64 Watt – 1 Lamp
64 Watt – 2 Lamp
64 Watt – 3 Lamp