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 ...
Light-bulb standards mean you'll need new fluorescent fixtures, will pay more for halogen spotlights
Because fluorescent bulbs last so long, there may not necessarily be a rush to replace the fixtures in the next six months. Joseph Howley, manager industry relations for GE Lighting in Neela Park, ...
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