3 Way Switch Wiring Schematic

Take a closer look at a 3 way switch wiring diagram.

3 way switch wiring schematic. 3 way switch wiring diagram line to light fixtureline voltage enters the light fixture outlet box. So what you should see if you have correct 3 wire electrical cable romex is a black power white neutral and now a 3rd red wire. Regardless of what 3 way switch wiring diagram you re following you ll need to use a 3 wire cable to connect the two 3 way light switches. This arrangement allows for lowering the lights in a 3 way circuit.

Unfortunately not all 3 way switches are wired the conventional way. No longer allowed after 2011 nec if no neutral wire in switch boxes 3 way switch wiring diagram light fixture between switchesline voltage enters the first 3 way switch outlet box light fixture is located between switch boxes no longer allowed after 2011 nec if no neutral wire in switch boxes. Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches. It reveals the components of the circuit as streamlined shapes and the power and also signal links in between the gadgets.

If you have any problems with these switches it may be best to call an electrician. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. 3 way dimmer switch wiring diagrams.

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. A wiring diagram is a streamlined conventional pictorial depiction of an electrical circuit. Assortment of 3 way switch wiring schematic. Wiring diagrams for 3 way switches.

See alternate 3 way switch wiring configuration for another way 3 way switches may be wired. The diagrams below show the conventional wiring for 3 way switches. Diagram 1 above shows the electricity source starting at the left 3 way switch. All three way switch and 2 way switch wiring diagrams have the same basic components.

3 way switch diagram 2 above shows the electricity source starting at the fixture. Wiring a 3 way light switch. If you are trying to troubleshoot a 3 way switch operation you will need to identify the function of each wire. This might seem intimidating but it does not have to be.

With these diagrams below it will take the guess work out of wiring.