184.108.40.206 OEO Lobby Signage
(b) be located not less than 2130 mm (84 in.) and not more than 3000 mm (120 in.) above the floor and in a central visible location within the elevator lobby.
(c) have message text a minimum 50 mm (2 in.) high that conforms to ANSI/1CC A117.1 or Nonmandatory Appendix E, Clause E-20, whichever is applicable (see Part 9 and E-l).
(d) be powered by the same power supply as the elevator, including emergency or standby power.
(e) when not on OEO or Firefighters' Emergency Operation, display an indication that it is powered.
(f) when not prohibited by the building code or when not on OEO or Firefighters' Emergency Operation, be permitted to display information other than elevator system information, in lieu of an indication that it is powered.