This lithonia lighting led white exit sign with this lithonia lighting led white exit sign with red stencil and led emergency light combo is suitable for applications requiring both exit sign and unit equipment.
Exit light dimensions.
As you are aware nfpa 101 was modified by the nfpa in 1973 to include an exception to the size of the lettering.
Existing externally illuminated exit signs having the word exit in plainly visible letters not less than 4 1 2 inches high in existing buildings other than in places of assembly may be continued in use.
It states that each exit route must be adequately lighted so that an employee with normal vision can see along the exit route and each exit must be clearly visible and marked by a sign reading exit additional requirements include the following.
Osha s requirements for lighting and marking exit routes are covered under 1910 37 b.
Ambient lights sources giving illumination to exit signs other than the electrical exit signs must have screens discs or lenses of not less than 25 square inches area made of translucent material to confirm contrast.
Exit signs must be properly illuminated by a reliable light source with a minimum of 5 foot candles on the illuminated surface.
The following information should help your company building owners and whoever is responsible for exit sign requirement oversight become completely aware of exit sign size requirements.
The occupational health and safety administration controls the standards for emergency lighting in the united states.