ENERGY INDEPENDENCE AND SECURITY ACT OF 2007

Effective January 1, 2009, metal halide lamp fixtures designed to be operated with lamps rated greater than or equal to 150 watts but less than or equal to 500 watts shall contain:

(i) a pulse-start metal halide ballast with a minimum
ballast efficiency of 88 percent;

(ii) a magnetic probe-start ballast with a minimum
ballast efficiency of 94 percent; or

(iii) a nonpulse-start electronic ballast with a minimum ballast efficiency of 92 percent for wattages greater than 250 watts; and a minimum ballast efficiency of 90 percent for wattages less than or equal to 250 watts.

Exclusions:

(i) fixtures with regulated lag ballasts;

(ii) fixtures that use electronic ballasts that operate at 480 volts; or

(iii) fixtures that are rated only for 150 watt lamps, are rated for use in wet locations, as specified by the National Electrical Code 2002,section 410.4(A); and contain a ballast that is rated to operate at ambient air temperatures above 50°C, as specified by UL 1029–2001.

Click here for IPP EISA-Compliant Pulse Start Ballasts