ISBN: | 978-5-5140-8855-3 |
High Quality Content by WIKIPEDIA articles! 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.