Exit Signages

An exit sign is a device in a public facility (such as a building, aircraft or boat) denoting the location of the emergency exit , guiding people to the closest exit in case of fire or other emergency. Most relevant codes (fire, building, health or safety) require exit signs to be permanently lit. Exit signs are designed to be absolutely unmistakable and understandable to anyone. Most exit signs around the world are in pictogram form, with or without text supplement.

There has been a shift towards the adoption of such exit signs in the recent decade. Since visibility may be reduced in a fire, due to smoke or failure of electric lighting, the sign is often permanently illuminated,i.e.adioluminescence, self-luminous, Photoluminescence ('glow in the dark'), Electric light with a local rechargeable power source, back-up power from a UPS and/or a generator in case normal power fails.