Beginning in 2005, efficiency standards set by the Department of Energy regulations were phased into effect, covering magnetic ballasts designed to operate full-wattage F40T12, F96T12, and F96T12HO ...
Despite brisk sales of 4-ft T12 fluorescent lamps, the magnetic ballasts commonly used for the lamps’ operation will start becoming part of the past on July 1, 2010, when their continued manufacture ...
Older linear fluorescent fixtures used throughout most of the older buildings on the Western Michigan University campus utilized T12 type magnetic ballasts. This type of ballast operates at 60 hertz ...
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