One Way Switch Wiring. The switch shown here has silver and gold screws opposite one another and a bronze screw in the third. Not all three-way switches have these terminals placed in the same configuration, so you have to pay attention to their colors (and the instructions that come with the package) when wiring them.
How to control a light from two switches.
Three-way switches allow for controlling a light fixture from two separate locations, these are usually used at the top and bottom of a flight of stairs or at two different entrances to a room.
FREE COURSE learn how three way switch circuits work. The switch shown here has silver and gold screws opposite one another and a bronze screw in the third. Two Red wires: These wires attach to the "travelers" which are the pair of wires attached to the two screws at one.