How to wire a switch. Once youre done youll be able to control a light from two switches.
How To Add A Second Light Switch Without Wiring
Re wiring a light switch. Most modern switches have screw terminals on each side and may also have holes in the back to accept the end of the wire. Wiring a 3 way light switch. The task of installing additional wiring for a light switch and new light fixture will depend on available access to the proposed location. It is not uncommon for a circuit to be configured so that two wall switches in a single double gang box control two different light fixtures. If a light switch fails to function it should be replaced. Although plug in connections may be more convenient they are less reliable than those with screw terminals so dont use them.
Wiring a light switch diagram 1. To wire a 3 way light switch youll need 2 3 way light switches 2 2 wire non metallic cables 1 3 wire non metallic cable and 2 6 inch grounding wires. Connect the source wire to the bottom terminal of the switch and the other black wire to the top terminal. This gauge is when you want to use the quick connect method when wiring a light switch. Hiring a qualified electrician will ensure that the installation is performed correctly where the existing circuit wires will be identified and new circuit wiring will be extended to the new light switch. Well show you how to wire three way switches.
The red and black are used for hot and the white neutral wire at the switch box allows for powering a timer remote control or other programmable switch. The wiring is more complicated than a traditional single pole switch but well explain how to make the connections. Simply strip the wire to the length specified and push the wire into the hole. A single pole single throw switch such as a light. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram. This is an updated version of the first arrangement.
First run a 2 wire cable from the wall power to the black screw on 1 of the switches. How to wire a 3 way light switch. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. More about wiring light switches. The hot wire in a 120 volt residential ac circuit usually is coated with black insulation while the return or neutral wire is white. In this picture you can see the strip gauge on the back of the switch.
The essence of the wiring configuration is for one hot feed wire entering the switch box to be split so that it feeds both switches which in turn feed hot wires in cables that lead out to two separate light fixtures. Wiring diagrams fully explained light switch wiring diagrams. Connecting the ground wires. Because the electrical code as of the 2011 nec update requires a neutral wire in most new switch boxes a 3 wire cable runs between the light and switch. All of the ground wires are connected together and with a pigtail that will be used for the ground screw terminal for the light switch.
Gallery of Re Wiring A Light Switch
