Light switch wiring is a task that most DIYers can take on themselves without calling an electrician. Follow these steps to wire your switches safely.

One wire comes in from the power source, and one wire goes out to the light(s). A 3-way switch adds two terminals for travelers, which connect two 3-way switches together.

If you do have this wire, Donnelly says to attach it to the green screw, which will be on your light switch. Step 5: Replace the switch plate Use a screwdriver to place the switch plate back on ...

After making all the wire connections, wrap electrical tape all the way around the switch body, covering the live screw terminals and shielding them from the metal box. Screw the switch to the box ...