The Other Bulb Ban: Linear Fluorescents

August 20, 2012 · Print This Article

While new efficiency requirements for incandescent bulbs have gotten much of the recent attention, there are additionally requirements in place that will lead to the phasing-out of most older T-12 fluorescent tubes (and associated magnetic ballasts for these lamps), as well. Production of magnetic ballasts was to end as of July 1, 2012, and production of lamps using these older ballasts and the T-12 tubes was to end as of July 14.

To replace the older tubes, two styles of newer fluorescent bulbs, T-8 and T-5, are available (and have been around for many years). These are thinner (1″ diameter for the T-8 and 5/8″ for the T-5) and more energy efficient than the older T-12s. The newer bulbs are not compatible with older lamps, so owners of older fixtures will need to replace their lamps or install retrofit kits.

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[Source] Cynthia

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