How Do You Install A 3-Way Light Switch?
A 3-way switch is used whenever someone wants to be able to control one light in two different places. Installing a 3-way light switch can be a little tricky because you are dealing with more wires. You also need to know where the light fits into the circuit in order to be able to connect the two switches correctly. However, if you are able to identify where the wire is coming from and know your colors, you should be able to do it with very little fuss. Turn off the power at the circuit breaker. Test the wires to make sure the power is turned off with your voltage tester. Identify where each switch comes in the circuit by locating the wire that connects either the light or one of the switch boxes to the main power source. If the light is first, then you will need to make different connections at the middle switch box, as noted below. Identify the wires coming into the switch box. You should see three wires coming in from the power source: white, black and ground (green or copper). You
