This low-profile, fluorescent emergency ballast features universal input and high lumen output, and operates for up to 90 minutes with a number of lamp types and wattages including: 14W to 54W standard T5 or T5HOs; 17W to 55W standard 8 or T8HOs; or 36W to 55W 4-pin compact fluorescents. The ballast automatically performs monthly and annual code-required testing, measures 22 1/4 inches long by 1 inch wide by 1 inch high, and is suitable for damp locations.