Magnetic Sign Ballast
Magnetic Sign Ballasts Operate T12HO Fluorescent Lamps. These ballasts are designed to provide low temperature starting at -20°F. All are UL Type 2 Outdoor for all outdoor applications. Ballasts cover a range from 1 to 6 lamps and lengths from 4 feet to 48 feet. Be sure to check out the innovative line of Keystone Smart Wire sign ballasts that wire exactly the same as magnetics.