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 ...
2 LAMP, 120-277 VOLT, T8, T10, T12 FLUORESCENT EMERGENCY BALLAST 0 TO 39 WATT, 600 TO 700 LUMENS, 90 MIN RUN TIME, 2 INCH LONG X 9-16/41 INCH WIDE X 1-1/2 INCH HIGH. FREE 2 YEAR RADWELL WARRANTY [See ...
2 LAMP, 120-277 VOLT, T8, T10, T12 FLUORESCENT EMERGENCY BALLAST 0 TO 39 WATT, 600 TO 700 LUMENS, 90 MIN RUN TIME, 2 INCH LONG X 9-16/41 INCH WIDE X 1-1/2 INCH HIGH. FREE 2 YEAR RADWELL WARRANTY [See ...