1910 37 b 4 if the direction of travel to the exit or exit discharge is not immediately apparent signs must be posted along the exit access indicating the direction of travel to the nearest exit and exit discharge.
Fire exit door signs regulations.
If there is a fire in the area where occupants are they are already being exposed to smoke fire and heat.
Exit sign regulations and requirements for your local area.
Post signs along the exit access indicating the direction of travel to the nearest exit and exit discharge if that direction is not immediately apparent.
Fire doors are inside buildings residential and commercial and are internal doors that need to be kept closed in order to stop the spread of fire between different areas of a building.
Also the line of sight to an exit sign must be clearly visible at all times.
Osha does not require the use of no exit.
Exit signs are required designation and exit access and should be located with such size color contrast and design as to be visible incase of an emergency.
No exit sign is needed where any door passage or stairway that is neither an exit nor a way of exit access and that is located or arranged so that it is likely to be mistaken for an exit.
Keep exit route doors free of decorations or signs that obscure the visibility of exit route doors.
Contrary to what some might believe there is a difference between fire doors and fire exit doors.
However guidance is provided in nfpa life safety code 101 section 7 10 8 3 1.
Fire door standards and legislative requirements.