ballast efficacy factor
Defined in 1 dictionary — U.S. Code
United States Code
42 U.S.C. § 6291 — for purposes of this part
The term “ballast efficacy factor” means the relative light output divided by the power input of a fluorescent lamp ballast, as measured under test conditions specified in ANSI standard C82.2–1984, or as may be prescribed by the Secretary.