How to wire two light switches with one power supply. Securely attach the junction box to a stud rafter or joist.
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How to wire two switches with one power source. The existing junction box should already meet these requirements. Use a circuit tester to verify that the power is off to the circuit you are working on. Connect two pig tails a pig tail is a short piece of wire to the black of the incoming power with a wire nut. I also routed a 142 from the power source in the box at the first switch to the bottom halves of each outlet to provide non switched power. In order to code the white wire which is used as a power wire from the light fixture through the switches black electricians tape is wrapped around the wire in the boxes. Pull the other end of each cable through the back of the electrical box for the switch that controls it then strip the end of the cable with a knife and separate the wires.
I then wired a 142 cable from the 2nd switch to top isolated half of all outlets in the room to provide switched power. Run cables from wall box. Shut off the power to the circuit. You will want to once again strip about an inch or so of the wires and then attach them to the green ground and then securely attach it with a screw. Then you will need to attach the white wire to the silver terminal as well as the black wire to the brass terminal. End of run lights controlled by two three way switches these end of run lights are controlled by two three way switches with a two wire cable power source coming through the first three way switch.
I now have a 142. I connected a 3way switch and then routed a 143 cable from this switch to a second 3way switch at other end of room. Use wire connectors to secure the wires into the junction box. Connect the wires to the receptacle issuing the power to the switches. Remove 12 inch of. The national electrical code nec requires certain codes to be followed when installing a junction box.
Connect the pig tails to the two switches. Install a double switch wall box and run the feed cable. Connect the pig tails to the two switches. If wiring is in place connect the white of the incoming power to the two whites going to the lights. My living room power source goes to a switch box at one end of the room.
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