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Home > Terms > English, UK (UE) > Ballast factor (BF)
Ballast factor (BF)
This is the percentage of a lamp's rated lumen output that can be expected when operated on a specific, commercially available ballast. Note that the "rated output" is sometimes measured on a reference ballast unlike ones that actually operate the lamp in the field. For example, a ballast with a ballast factor of 0.93 will result in the lamp's emitting 93% of its rated lumen output. A ballast with a lower BF results in less light output and also generally consumes less power.
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- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Lights & lighting
- Category: Lighting products
- Company: GE
- Product:
- Acronym-Abbreviation:
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