4-Hour Emergency Light Emergency Lights/LED Hazardous location exit signs are

Hazardous location exit signs are lit by tiny

Emergency power is provided via a 6-volt

Will ELB-217 emergency light bulbs replace your incandescent lamp

3500 hours

Optional battery heater ensures reliability in freezing environments

4-Hour Emergency Light Emergency Lights/LED Hazardous location exit signs areOverview 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