With WattStoppers ELCU-200 you can use one single-pole toggle switch to simultaneously control light fixtures fed from a normal power source and light fixtures fed from an emergency power source. Yet, when a utility power failure occurs, the light fixtures being fed from the emergency power source, will be on and the toggle switch will not have any effect on them.
The ELCU-200 mounts in the KO of a four square box. Both normal power hot and neutral and emergency power hot and neutral need to connect to the ELCU-200. You will also connect the normal power switch leg off of the toggle switch to the ELCU-200. Lastly, connect the emergency power light fixture to the ELCU-200.
This is an easy way to control emergency lights in an area or room with the normal lights and yet have emergency egress lighting in the event of an emergency.
