high intensity discharge lamp

Defined in 1 dictionary — U.S. Code

United States Code

42 U.S.C. § 6291 — for purposes of this part (7 versions over time)

The term “high intensity discharge lamp” means an electric-discharge lamp in which—

(i) the light-producing arc is stabilized by the arc tube wall temperature; and

(ii) the arc tube wall loading is in excess of 3 Watts/cm².

42 U.S.C. § 6291 — for purposes of this part (7 versions over time)

The term “high intensity discharge lamp” includes mercury vapor, metal halide, and high-pressure sodium lamps described in subparagraph (A).