Turn off the power to the switch at the circuit breaker to prevent electrical shock.
Use a voltage tester to confirm the power is off before touching any wires.
Remove the switch cover plate using a flathead screwdriver.
Unscrew the mounting screws holding the old switch in place and gently pull it out.
Take note of how the wires are connected to the old switch or take a photo for reference.
Use a screwdriver to loosen the terminal screws and disconnect the wires from the old switch.
If needed, strip about 1/2 inch of insulation from the wire ends using a wire stripper.
Connect the wires to the new switch, matching the same configuration as the old one.
Tighten the terminal screws securely to ensure a solid connection.
Wrap electrical tape around the terminals for added safety if desired.
Carefully push the wires back into the electrical box.
Align the new switch and secure it to the box with the mounting screws.
Reattach the switch cover plate and tighten the screws.
Turn the power back on at the circuit breaker.
Test the new switch to ensure it turns the light on and off properly.
If the switch does not work, turn off power and double-check wire connections.
Ensure the switch is flush with the wall and the plate is not pinching any wires.
Dispose of the old switch properly according to local regulations.
