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T8 Lamps

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T8 fluorescent lamps are the most widely used fluorescent lamp type in North American commercial lighting, found in virtually every office, school, warehouse, retail space, and institutional facility built or retrofitted over the past three decades. The T8 designation refers to a tubular lamp with a 1-inch diameter. Standard lengths are 2-foot (24 inches) and 4-foot (48 inches), with 8-foot (96-inch) versions used in industrial strip and high-bay applications. T8 lamps use a bi-pin G13 base and require a compatible fluorescent ballast for operation.

RelightDepot carries T8 fluorescent lamps in 700- and 800-series phosphor options, with color temperatures ranging from 3000K warm white through 4100K cool white to 5000K daylight. Wattages include the standard 32W/4-foot and 17W/2-foot versions, along with energy-saving 28W and 25W reduced-wattage alternatives for use with high-efficiency ballasts. Long-life versions with ratings of 30,000 hours or more are available for hard-to-reach or high-cycling applications such as stairwells and parking garages.

Pair T8 lamps with the right ballasts and plan your LED upgrade path. See our T8 ballasts for compatible electronic and instant-start ballasts. When upgrading to LED, our LED tubes offer a direct T8 replacement path. Browse our T5 lamps for slimline fixture needs, and view the full fluorescent lamps selection.