Electronic Sign Ballast - (1-4 Lamps) - T12/HO - 120/277 Volt - Hatch ESB-1040-14-UV
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compaired cost of others and this was great value!
HO sign ballasts are expensive and our church needed 4 new ones for our road sign. The old magnetic ones were power hungry and these electronic are 40% more efficient. Had to change the way the sockets for each bulb were wired but it was easy. Probably saved $500.00 or more than calling the sign company to do this easy retrofit!
April 14, 2012