Fulham Lighting LH1-120-L LongHorse 1-Versatile Remote Mount Ballasts-Instant Start-120V-Linear Model w/Side Leads Electronic Ballast Long Horse Series Versatile, Solid State Electronic Ballast Small Case Size, High Power Factor, Light Weight Available In 120/277V 50/60 Hz Remote mountable up to 20Feet Dedicated 120V, Operates 124 lamps in 628 combination, please refer to Fulham's compatibility chart