Exit signs and markings fall into two categories:
- Those which clearly identify an exit, or the way to an exit
- Those which clearly identify doors or areas which are not means of egress.
The requirements for exit marking are:
- Every exit shall be marked by a clearly visible sign with the word EXIT in plainly
legible letters at least 6 inches high and with at least a ¾" stroke width
- When the way to an exit is not readily apparent, signs or markings similar to exit signs
shall be provided which also provide directional information. Where arrows are used, they
shall be obvious as to the direction of the exit
- Doors, passageways, and stairways which are not means of egress or may be confused with
access to exits shall be clearly marked "NOT AN EXIT" or with other labeling to
show their true character
- Exit signs shall be illuminated either by internal or external means by a
"reliable" light source giving a value of not less than 5 foot-candles on the
illuminated surface
- Exit and exit
access signs must be configured and located so as to be readily visible and very
noticeable.
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