Sure, here is how you would make switch 1 activate A and C only, switch 2 activate B and C only, and switch 3 activate C only with 120V AC

Materials:
Three-way switch (2) Four-way switch (1) 120V AC power source Electrical wire Wire nuts ScrewdriverInstructions

1.

Turn off the power to the circuit you will be working on at the breaker panel.2. Remove the faceplate from each switch box.3. Identify the wires connected to each switch. There should be two or three wires connected to each switch. Black wires are the hot wires. White wires are the neutral wires. Red wires are the traveler wires.4. Disconnect the wires from the switches.5. Connect the wires according to the following diagram:[Image of wiring diagram]6. Turn on the power to the circuit.7. Test the switches to make sure they are working properly.

Diagram

[Image of wiring diagram]

Notes

The three-way switches are used for switches 1 and 2. The four-way switch is used for switch 3. The black wire is the hot wire. The white wire is the neutral wire. The red wires are the traveler wires. The ground wire is not shown in the diagram.

Safety: Always turn off the power before working on any electrical circuits.* If you are not comfortable working with electricity, please hire a qualified electrician. Flag for review