Rosslyn, Va.-based National Electrical Manufacturers Association (NEMA) has published BL 2-2009, "Energy Efficiency for Electronic Ballasts for T8 Fluorescent Lamps." The standard was developed by ...
Providing a ballast factor of 0.77, the Low-Watt Centium electronic ballasts can operate up to four 17-, 25-, or 32-W standard T8 lamps or 25-, 28-, or 30-W energy-saving T8 lamps. Using Intellivolt ...
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 ...
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