Firehorse 7 – emergency ballast – universal voltage – 500 intial lumen output. Long known for its fine electronic ballasts, Fulham has emerged as a global supplier of new technologies including LED drivers, LED modules, LED engines, LED and fluorescent emergency lighting solutions, exit and emergency lighting, electronic hid, and induction lighting systems. Fulham’s rigorous quality control program ranks among the highest in the industry, resulting in a remarkably low product failure rate.