The Hubbell UFO-12W Dual-Lite Emergency Fluorescent Ballast is a 12-watt emergency ballast designed to power fluorescent lamps in the event of a power outage. It belongs to Hubbell's Dual-Lite line of emergency lighting gear, intended for use in compatible fluorescent fixtures to provide emergency illumination when normal power is unavailable. The model designation UFO-12W identifies the 12-watt configuration for emergency-duty luminaires.
