For replacing the 1X18 Watt ballast in Satellite fixtures only. Requires rewiring the ballast into the fixture. Comes with 4-pin connector (square pin arrangement style). Comes with 4-pin connector (square pin arrangement style).

NOTE: This is the only ballast of this type supplied by the manufacturer. It may or may not look exactly like the ballast in your fixture. However, it is guaranteed to run the bulb or bulbs with the given wattage in your Current USA lighting fixture.