For the past 15 years, electronic ballasts have been bringing dramatic cost savings to the fluorescent lighting fixture industry.  Now that same advanced technology is available for your outdoor and indoor sign applications!  Our new patented electronic H.O. sign ballasts replace all those heavy, hot operating, power hungry magnetic ballasts with light, cool operating, energy efficient electronic H.O. Ballasts.  While saving energy, you'll extend lamp life by 30% and reduce installation labor cost by 50%.  Each EESB ballast is an investment which earns you money every day it operates!