3 Gang 1 Way Switch Diagram. Usually the third wire passes the middle intermediate switch but is joined in a separate terminal block. Basically this is three single gang 1 way switches on a single face plate.
Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches. Three wires between the two end switches probably using 3 core and earth cable. Three way switching 3 wires.
Three way switching 3 wires.
This might seem intimidating but it does not have to be. Each of the gangs or switches above in fig 2 of which there are three work like this fig 3. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. The only place you would use such a beast is if you had three lights or sets of lights in a single room each controlled by one of the single switches.
