4-Hour Emergency Light Emergency Lights/LED Optional battery heater ensures reliability

Optional battery heater ensures reliability in freezing environments

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Emergency power is provided via a 6-volt

The gray fiberglass housing and polycarbonate casing are what give the weatherproof emergency light its NEMA 4X rating as an all-weather device

4-Hour Emergency Light Emergency Lights/LED Optional battery heater ensures reliabilityOverview The 4 Hour Emergency Light is designed to provide four hours of emergency illumination when AC power in the facility is lost. Underwriter Laboratories (UL), who are responsible for the UL 924 Standard for Emergency Lighting and Exit Sign Fixtures, require emergency fixtures to operate for a minimum of 90 minutes when powered by backup battery packs. The 4 Hour Emergency Light provides 240 minutes of emergency illumination for lighting