The wiring method will depend on whether your power goes to the switch first or the light first. Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches. In one position the com and l1 are connected while in the second position the com and l2 are connected. The three terminals are usually named com l1 and l2 but sometimes com 1 way and 2 way are also used. 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. First things first and you need to make sure you ve got the actual 3 way switch in your hands. It s a foolproof way for a proper. How to determine the correct wires to attach to a 3 way switch when the wire and screw terminal color code is not certain. It is a standard single pole switch with three terminals. Either way complete these five steps for 3 way light switch wiring.
Add an electrical box for the second 3 way switch in the basement. The three terminals are usually named com l1 and l2 but sometimes com 1 way and 2 way are also used. The main difference between 2 way and 3. 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. The wiring method will depend on whether your power goes to the switch first or the light first. This is the 3 wire cable which you must have to wire a 3 way light switch. Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches. Either way complete these five steps for 3 way light switch wiring. 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. If you are trying to troubleshoot a 3 way switch operation you will need to identify the function of each wire.
It s likely you ll also need to replace the existing switch box with a larger one to accommodate the extra wires for the 3 way switch. The three terminals are usually named com l1 and l2 but sometimes com 1 way and 2 way are also used. Either way complete these five steps for 3 way light switch wiring. Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches. This is where diagrams come in handy and we are including them below along with step by step wiring instructions in the video format. In one position the com and l1 are connected while in the second position the com and l2 are connected. A 3 way switch allows you to turn a light on or off from two different switches. Add an electrical box for the second 3 way switch in the basement. 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. It is a standard single pole switch with three terminals.
The wiring method will depend on whether your power goes to the switch first or the light first. It is a standard single pole switch with three terminals. The main difference between 2 way and 3. First things first and you need to make sure you ve got the actual 3 way switch in your hands. Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches. All three way switch and 2 way switch wiring diagrams have the same basic components. 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 is where diagrams come in handy and we are including them below along with step by step wiring instructions in the video format. It s likely you ll also need to replace the existing switch box with a larger one to accommodate the extra wires for the 3 way switch. Add an electrical box for the second 3 way switch in the basement.
It s likely you ll also need to replace the existing switch box with a larger one to accommodate the extra wires for the 3 way switch. 3 way switches are useful for large rooms with multiple entrances but require a bit more wiring than a standard single pole switch. Attach the black power cable from the wall to the general screw black in the three way light switch. Wiring 3 way switches is not complicated but making sure you are connecting the right wires could be a little tricky. This is where diagrams come in handy and we are including them below along with step by step wiring instructions in the video format. Do this before you disconnect any wires from the switches. All three way switch and 2 way switch wiring diagrams have the same basic components. It s a foolproof way for a proper. Add an electrical box for the second 3 way switch in the basement. This is the 3 wire cable which you must have to wire a 3 way light switch.
