An emergency light is a battery-backed lighting device that comes on automatically when a building experiences a power outage. Emergency lights are standard in new commercial and high occupancy residential buildings, such as college dormitories. Most building codes require that they be installed in older buildings as well.
Read more about Emergency Light: History, Modern Installations, Relevant Standards
Famous quotes containing the words emergency and/or light:
“In this country, you never pull the emergency brake, even when there is an emergency. It is imperative that the trains run on schedule.”
—Friedrich Dürrenmatt (1921–1990)
“For my part, when I enter most intimately into what I call myself, I always stumble on some particular perception or other, of heat or cold, light or shade, love or hatred, pain or pleasure. I never can catch myself at any time without a perception, and never can observe anything but the perception.”
—David Hume (1711–1776)