### Question
How does Energy Conservation Program for Consumer Products Other Than Automobiles define external power supply?


### Answer
Under *42 U.S.C. § 6291*, **external power supply** is defined as:

> an external power supply circuit that is used to convert household electric current into DC current or lower-voltage AC current to operate a consumer product

#### 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**

