### Question
How is the "base" defined?


### Answer
The term **base** is defined in *42 U.S.C. § 6291* as follows -

> the portion of the lamp which connects with the socket as described in ANSI C81.61–1990

#### Citation:
  - *42 U.S.C. § 6291*
  - Heading: **CHAPTER 77-ENERGY CONSERVATION > SUBCHAPTER III-IMPROVING ENERGY EFFICIENCY > Part A-Energy Conservation Program for Consumer Products Other Than Automobiles**

