Tip & How-To about Hammering
If you wish to control a light or lights from more than 2 places, then you need a 4 way switch in between the 3way switches. You can use any number of 4 way switches in a lighting circuit.
To rough wire the switches, run a 3wire with ground cable from the 3way thru the 4way(s) to the other 3way. As in the 3way switch wiring the light and power can be at either end, that part does not change.
The diagram for the addition of a 4way switch looks like this..
The travelers from the 3way switch connect to like colored screws on the 4way .. If more switches are wanted, just add them in the center of the circuit in the same manner as the first 4way .
Posted by Rich on
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