The source is at the switch box and a 2 wire cable is run to each light. One source is spliced to each switch with a pigtail to power the two lights.
The Three Way Switch
Wiring a 2 switch box. 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. The source is at sw1 and 2 wire cable runs from there to the fixtures. However the actual look of the wiring in the box can vary depending on where the switches are located along the circuit run. Before you shop for a new switch remove your old one from the boxafter making sure the power is off of courseand look for a neutral white wire. Three wire cable is supplying the source for the switches and the black and red wires are each connected to one switch. Remove 12 inch of insulation from the black wire and connect it to the bottom brass terminal of the switch with a screwdriver.
Basic 2 way circuit power coming in at switch. Two gang electrical boxes are electrical boxes that allow you to fit two outlets or two light switches in them. Installing single pole switch and 3 way switch on the same power source. Multiple light wiring diagram. The electrical boxes are made of either pvc or steel. After you have pulled your switch out from the wall the wires in the box and connecting to the switch should look like one of the following.
This is a problem if your old switch is wired as a switch loop such that only a hot and a switched hot are available in the box. In the above diagram the white wire must be re identified as a hot wire at each switch location. So now that you have a basic concept of wiring a 2 way switch lets look at the following 2 way switch diagrams to see which type of circuit scenario you have. 3 way switch wiring diagram with line and load in the same switch box. Leviton dsl06 1lz decora universal rocker slide dimmer 300 watt led and cfl600 watt incandescent 1 pack white. With a pair of 3 way switches either can make or break the connection that completes the circuit to the 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 diagram illustrates wiring for one switch to control 2 or more lights. Wiring two switches in one box with 2 sources. This diagram shows two switches in the same box with a separate 120 volt source feeding each. Pull a 12 gauge cable from the power source making sure that the. The white wire between switches is not being used as a neutral.
An example of three way switch wiring with the line and load in the same 4 square electrical box. The steel boxes have the advantage of being self grounding and do not require a grounding wire. Wiring a 3 way light switch.