Replacing bad emergency or exit sign batteries.
Emergency lights on exit sign not working.
A self luminous tritium exit sign does not require connection to the building power source or generator because it is self luminous.
To ensure continued illumination for a duration of not less than 90 minutes in case of primary power loss the sign illumination means shall be connected to an emergency power system provided from storage batteries unit equipment or an on site generator.
To check multiple exit signs all at once if it is convenient shut off the power and verify that all lights stay lit for 30 minutes.
If the battery is dead open the exit sign and take note of the.
The signs require troubleshooting as soon as anything starts to go wrong with them.
The exit lights that only come on during power failure are connected to the main electrical supply that constantly charges the battery.
Keeping emergency exit signs in working order is a high priority.
Step 1 check the power source if the light is out.
Perhaps the easiest sign to mount is the self luminous exit sign which is powered by tritium.
Test it in another unit or a dedicated charger to ensure that the charger isn t the problem.
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.
Exit signs use nickel cadmium nicad emergency light batteries that are smaller than the lead acid batteries within emergency lights.
Electrical led exit signs install using 120 or 277v power and feature a battery backup system similar to emergency lights.
Checking multiple emergency or exit sign for bad batteries.
If the battery isn t the problem consult your manual and check the simple things first.
Exit signs are simple devices that you can normally be examine and repair quickly and easily.
Exit signs shall be illuminated at all times.
Each exit route door must be free of decorations or signs that obscure the visibility of the exit route door.
When shutting off a breaker box make sure you have shut down all computers and machinery properly.