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