77 Ill. Adm. Code 330.3390
Exit Lights and Directional Signs
Section 330
Section 330.3390Â Exit Lights
and Directional Signs
Every building shall meet the
following requirements:
a)Â Â Â Â Â Â Â Â Exit and directional signs shall comply with the rules for
Fire Prevention and Safety of the Office of the State Fire Marshal (41 Ill.
Adm. Code 100). (B)
b)Â Â Â Â Â Â Â Â Every required exit shall have an exit sign readily visible,
and additional directional signs shall be located as required to clearly
identify the direction of travel to reach the nearest exit. (B)
c)        All signs shall be properly illuminated at all times. (B)
d)        All signs shall be on an emergency electrical system. (B)