### Question
How does the law define ballast input voltage?


### Answer
Under *42 U.S.C. § 6291*, **ballast input voltage** is defined as:

> the rated input voltage of a fluorescent lamp ballast

#### 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**

