Suspended at change of direction.
Exit sign height above floor.
Outside the final exit sign 3 above it if the door can be obstructed a fire exit.
See 7 10 1 9 and 7 10 1 6.
Height and spacing.
I don t what to tell you but i think it would be a bit of a stretch to call an exit sign a visual or audible alarm.
The width of the letter outlines should be no less than three fourth of an inch the width of the letters not less than two inches and the spacing between the letters to be not less than three.
Life safety code nfpa 101 establishes minimum visibility level for exit signs.
If you are looking at the ansi take a look at table 703 4 2 4.
Exit signs for doors and corridors should be mounted with the bottom of the exit no more than 80 inches 6 8 above the top edge of the egress opening.
Progress to the left right from here.
According to the code letters sign must be no less than six inches tall.
Signs tactile characters must be a minimum of 48 inches above the finished floor or ground to the lowest tactile character s baseline and a maximum of 60 inches to the highest tactile character s baseline.
It doesn t address exit signs per sa but signs located between 10 to 21 could be compliant with accessibility provisions.
Exit sign mounting height.
According to the international code council when it comes to placement of the low level exit sign the bottom of the low level exit sign shall be not less than 10 inches 254 mm nor more than 12 inches 305 mm above the floor level while the nfpa 101 life safety code section 7 10 1 6 permits the bottom of low level exit signs to be.
Exit signs must be placed above any doors through which an occupant must travel on the egress path section 7 10 1 2 2 no point in the exit access corridor can be farther from the nearest exit sign than the rated viewing distance or 100 ft 30 m whichever is less.
Progress forward and through from here as viewed from in front of the sign.
Signs 2a and 2b.
Floor proximity exit signs require the bottom of the sign be mounted no less than 6 from the floor and no more than 18 above the floor.