You will find that the override switch is snug on the unit, so it does not snag on cables.
RIB Lighting Controls ESR2402D Emergency Lighting Relay DPDT 10A 208-277V AC
The override switch really comes in handy when you need to test the system or reset things in a hurry.
this particular relay carries the Functional Devices, Inc. name, which many electricians trust for daily work.
It uses a programmable timer, so you can set delays that fit your needs.
With the override switch, you can bypass the normal cycle and keep things running when the timing "You will find that the override switch is easy to reach and simple to use during routine checks.