T5 Vs. T8 Fluorescent Lamps
Fluorescent lights are more energy efficient than incandescent bulbs and can be used in many work and living spaces. T5 and T8 are two common types of fluorescent lights; each has advantages and trade-offs. Choosing the right light for the space is an aesthetic and economic decision. Does this Spark an idea?
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T5 Fluorescent Lights
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Fluorescent lights as classified by shape and diameter. The T in T5 stands for tubular and the 5 means the bulb is 5/8ths of an inch in diameter. Despite being 40 percent smaller than a T8 lamp, the T5 lamp puts out almost the exact same light as a T8. T5 lamps and fixtures are smaller and more compact, making them an excellent choice for under counters and tucked away in alcoves. In commercial spaces, the bright T5 lamps are recommended for applications more than 20 feet high.
T8 Fluorescent Lamps
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Like T5 lamps, T8 lamps are tubular. The T8 lamps are 8/8ths, or one inch, in diameter. Introduced in 1981, as an improvement over the old T12 lamps, the T8 is considered superior in color to the T12. It is common to see outdated T12 fixtures replaced with T8. However, when compared to T5 fixtures, T8 lamps are only recommended in commercial applications less than 20 feet high because they project less glare. T8 fixtures are also larger and bulkier than T5, making them less desirable for home use.
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T5 or T8?
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Depending on the space and the application, either a T5 or a T8 fixture can be the right choice. The first is size. T5 lights are much smaller and, as such, well-suited for tight locations. T8 lights are the same size as the outdated T12 lights, making replacement and retrofitting of existing T12 installations easier. The second consideration is cost. T8 lights are generally less expensive that T5, a consideration in large projects. As both are energy efficient, the final decision is based on aesthetics and economics.
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References
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