Please leave a comment and a like if this video helped you. A light or lights can be controlled by more than one switch.
Wiring A 3 Way Switch
How to run a 3 way switch. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. Head to your fuse box and make sure there is no power coming to the room youre currently working in. Its likely youll also need to replace the. This option actually requires you to run two romex lines between the lights. 3 way switches involve more cables so you will need a little more room to work. Typical 3 way switch wiring nm cable in the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box.
Option 2 is for power into the first switch. Locate the switch box in which the cable coming from the service panel enters the switch circuit. Screw your two boxes and light fixture into place then gather your supplies. Its likely youll also need to replace the. Of insulation from the end of each wire then connect the wires following figure b and photo 5. Clamp the second electrical box to the wall and wire a three way switch following figure b.
Run 2 2 wire conductors between the two boxes. Option 1 is for power into the first switch wire to the lights and lastly wire from the light to the other switch. Snap off the plaster ears and install the switch. The usual practice in home construction is to use 3 way switches. Flip off power in the room youre working. By convention electricians always run this cable to the switch box closest to the panel.
Turn off the correct circuit at your electrical panel. A 3 way switch is shown below. Twist the stripper or rotate it 360 degrees sliding the insulation off the wire as it breaks loose under the cutting blades. The black line wire connects to the common terminal of the first 3 way switch. Add an electrical box for the second 3 way switch in the basement. You will likely need larger boxes than you already have if you are replacing a regular single pole switch.
3 way is the electricians designation for a single pole double throw spdt switch. Remove 34 to 1 inch of insulation. If you have suggestions please leave them as well. Before you even start wiring you want to get the fixtures. In this video we learn how to wire a 3 way switch system. Either way complete these five steps for 3 way light switch wiring.
With wire strippers put single wires in the proper size groove in the handle 12 for no. Splice wires together and top with a wire connector. Slide your mouse over it to see it change state requires javascript enabled. Install larger electrical boxes.
Gallery of How To Run A 3 Way Switch
