probe-start metal halide ballast
Defined in 1 place of the United States Code.
Probe-start metal halide ballast.—The term "probe-start metal halide ballast" means a ballast that—
(A) starts a probe-start metal halide lamp that contains a third starting electrode (probe) in the arc tube; and
(B) does not generally contain an igniter but instead starts lamps with high ballast open circuit voltage.
Source
- 2007–201842 U.S.C. § 6291The Public Health and Welfare · Definitions · for purposes of this part
The term “probe-start metal halide ballast” means a ballast that—
(A) starts a probe-start metal halide lamp that contains a third starting electrode (probe) in the arc tube; and
(B) does not generally contain an igniter but instead starts lamps with high ballast open circuit voltage.
Source
- 2013–present42 U.S.C. § 6291The Public Health and Welfare · Definitions · for purposes of this part