What is a ballast factor and how does it affect fluorescent tubes?

What is a ballast factor? Here are things to consider as you sort through your options and understand the impact it may have on your energy usage.

Schematic of a fluorescent lamp.

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Some measurements on a fluorescent tube and its magnetic ballast

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Some measurements on a fluorescent tube and its magnetic ballast

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Some measurements on a fluorescent tube and its magnetic ballast

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