R20 incandescent reflector lamp
Defined in 1 place of the United States Code.
R20 incandescent reflector lamp.—The term "R20 incandescent reflector lamp" means a reflector lamp that has a face diameter of approximately 2.5 inches, as shown in figure 1(R) on page 7 of ANSI C79.1–1994.
Source
- 2007–201842 U.S.C. § 6291The Public Health and Welfare · Definitions · for purposes of this part
The term “R20 incandescent reflector lamp” means a reflector lamp that has a face diameter of approximately 2.5 inches, as shown in figure 1(R) on page 7 of ANSI C79.1–1994.
Source
- 2013–present42 U.S.C. § 6291The Public Health and Welfare · Definitions · for purposes of this part