F40T12 lamp
Defined in 1 dictionary — U.S. Code
United States Code
42 U.S.C. § 6291 — for purposes of this part (7 versions over time)
The term “F40T12 lamp” means a nominal 40 watt tubular fluorescent lamp which is 48 inches in length and one-and-a-half inches in diameter, and conforms to ANSI standard C78.81–2003 (Data Sheet 7881–ANSI–1010–1).