Home > Term: Ballast efficacy factor (BEF)
Ballast efficacy factor (BEF)
Defined as ballast factor divided by input watts. The value is used to evaluate various lighting systems based on light output and power input. The BEF can only be used to compare systems operating the same type and quantity of lamps.
- Part of Speech: noun
- Industry/Domain: Lights & lighting
- Category: Lighting products
- Company: GE
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- Harry8L
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