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Ballast Factor

The ANSI ballast factor is used in North America to compare the light output (in lumens) of a lamp operated on a ballast compared to the lamp operating on an ANSI reference ballast.

For a lighting ballast, the ANSI ballast factor is used in North America to compare the light output (in lumens) of a lamp operated on a ballast compared to the lamp operating on an ANSI reference ballast. The reference ballast operates the lamp at its ANSI specified nominal power rating. The ballast factor of practical ballasts must be considered in lighting design; a low ballast factor may save energy, but will produce less light. With fluorescent lamps, the ballast factor can vary from the reference value of 1.0.

Key Terms

ansi ballast factor
ansi reference ballast
ballast
definition
lamp
light output
lighting ballast
lumens
north america
usage

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Ballast Factor
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Last modified on December 2 2019
Content adapted from Wikipedia
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