Lighting can be a large part of any building's electrical load — 30% or more if it is heated by non-electrical means. As an energy cost-cutting measure, consider upgrading your lamps from incandescent ...

Fluorescent light fixtures are more efficient and cheaper to run than incandescent. But some fluorescent fixtures buzz or hum, and they take a long time to start when temperatures fall much below ...

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 ...