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A T-5 Lighting Primer

Apr 04

“T-5” refers to a fluorescent lamp, tube or bulb with a diameter of 5/8 inches (its metric equivalent is T-16, 15.875 mm) that is typically manufactured for very small fixtures. First introduced around 1950, it originally was available in 4 – 13 wattages. More recently high efficiency (HE) ranges of 14 – 35 watts and […]

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