This is the 3 wire cable which you must have to wire a 3 way.
													
																	Three way electrical switch wiring diagram. 
									
	
		
	
																	The white wire between switches is not being used as a neutral. 
																	Take a closer look at a 3 way switch wiring diagram. 
																	This might seem intimidating but it does not have to be. 
																	I have a outside light by the door going out of the home that is controlled by a single pole switch. 
															
													
									
	
		
	
																	With these diagrams below it will take the guess work out of wiring. 
																	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. 
																	In the above diagram the white wire must be re identified as a hot wire at each switch location. 
																	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. 
															
													
									
	
		
	
																	Wiring a 3 way light switch. 
																	The black line wire connects to the common terminal of the first 3 way switch. 
																	An example of three way switch wiring with the line and load in the same 4 square electrical box. 
																	How would this be wired. 
															
													
									
	
		
	
																	A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. 
																	Typical 3 way switch wiring nm cable. 
																	Traveler wires are interchangeable. 
																	Building a new workshop that is detached from home. 
															
													
									
	
		
	
																	With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. 
																	Three way switch diagrams fully explained wiring 3way switches 3 way switches are a convenient way to operate lighting fixtures from two locations. 
																	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. 
																	Pick the diagram that is most like the scenario you are in and see if you can wire your switch.