### Question
How does ENERGY CONSERVATION define specialty application mercury vapor lamp ballast?


### Answer
Under *42 U.S.C. § 6291*, **specialty application mercury vapor lamp ballast** is defined as:

> a mercury vapor lamp ballast that—


(A) is designed and marketed for operation of mercury vapor lamps used in quality inspection, industrial processing, or scientific use, including fluorescent microscopy and ultraviolet curing

#### 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**

