Common Terminal Light Switch. However, at this second switch, the common screw terminal is connected to a black hot wire that leads onward to the light fixture. There is no "common" on these switches.
In this wiring connection we use two way switches in which we have three terminals, in these terminals one is common and two for connection. we can use it for many connection using different connection methods. Archaic light switches might as well be from the stone age. One black wire comes from the power source.
When lights are switched on, there is usually only two possibilities on or off controlled by one switch.
Archaic light switches might as well be from the stone age.
One at the top of the stairs and one at the bottom. There is no "common" on these switches. A corroded contactor inside the switch could cause the flicker but would also probably cause the.