medium screw base
Defined in 1 place of the United States Code.
The term “medium screw base” means an Edison screw base identified with the prefix E–26 in the “American National Standard for Electric Lamp Bases”, ANSI/IEC C81.61–2003, published by the American National Standards Institute.
Source
- 2005–present42 U.S.C. § 6291The Public Health and Welfare · Definitions · for purposes of this part