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  2. Emergency light - Wikipedia

    en.wikipedia.org/wiki/Emergency_light

    An emergency light is a battery-backed lighting device that switches on automatically when a building experiences a power outage. In the United States, emergency lights are standard in new commercial and high occupancy residential buildings, such as college dormitories, apartments, and hotels.

  3. Emergency vehicle lighting - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_lighting

    Emergency vehicle lighting, also known as simply emergency lighting or emergency lights, is a type of vehicle lighting used to visually announce a vehicle's presence to other road users. A sub-type of emergency vehicle equipment , emergency vehicle lighting is generally used by emergency vehicles and other authorized vehicles in a variety of ...

  4. Emergency service - Wikipedia

    en.wikipedia.org/wiki/Emergency_service

    A common measurement in benchmarking the efficacy of emergency services is response time, the amount of time that it takes for emergency responders to arrive at the scene of an incident after the emergency response system was activated. Due to the nature of emergencies, fast response times are often a crucial component of the emergency service ...

  5. Rules of the Road: Lights and sirens, oh my! When to pull ...

    www.aol.com/rules-road-lights-sirens-oh...

    Q: Do the cars on my side of the road need to pull over when an emergency vehicle is approaching from the opposite direction? Are there different rules for two-lane versus multi-lane? How about if ...

  6. Emergency vehicle - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle

    An emergency vehicle is a vehicle used by emergency services. Emergency vehicles typically have specialized emergency lighting and vehicle equipment that allow emergency services to reach calls for service in a timely manner, transport equipment and resources, or perform their tasks efficiently. Emergency vehicles are usually operated by ...

  7. Exit sign - Wikipedia

    en.wikipedia.org/wiki/Exit_sign

    Fluorescent lamps are used in the same way as incandescent bulbs, back-lighting both sides of an exit fixture from within. LED signs combine a large number of bright light-emitting diodes to illuminate the sign from inside. An exit sign is constantly lit; fluorescent bulbs need to be changed more often than LEDs, although the absence of ...