When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. 3 way switch common terminal july 4 2019.
Installing Multi Way Circuits Insteon
3 way switch common wire. There is only one such terminal on a 3 way switch and it is usually identified as the one having a different color terminal screw often significantly darker from the other two. The common terminal is one of three electrically active terminals on a 3 way switch not including the ground terminal that is located on the metal frame of the mounting ears. Connect the ground wire to the green screw. Things youll need 14 2 or 12 2 wire cable 3 way switches voltage tester non contact screwdriver needle nose pliers wire stripper black electrical tape utility knife. The cable run linking the two switches is made with 3 wire cable. In this diagram the incoming hot wire attaches to the first switchs common dark colored terminal.
Digital thermostat circuit july 4 2019. The black line wire connects to the common terminal of the first 3 way switch. Its very easy to mix up three way switch wiring when replacing a three way switch especially because in older wiring systems the standard color coding of wires may look different than it does in newer installations. Dish hopper 3 wiring diagram july 4. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. 2002 nissan altima bose stereo wiring diagram july 4 2019.
This 3 way switch wiring diagram shows how to wire the switches and the light when the power is coming to the light switch. Low voltage garden path lights july 4 2019. The common terminal is the bridge between the power supply and the load typically a light fixture. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. Three way switches are tricky to install especially for diyers who are replacing a bad switch. Connect the wire marked common to the black or dark colored screw.
This means that there. This is a relatively common configuration in which the wiring connections are done in this manner. Typical 3 way switch wiring nm cable. Traveler wires are interchangeable on each switch. Connect the two remaining traveler wires to the two brass or light colored screws. At the first switch location the feeder wire from the power source is a 2 wire cable with ground.
The 2 wire cable feed from the power source enters the bottom of the switch box and the hot black wire connects to the common or shunt terminal on the 3 way switch. Split circuit outlet july 4 2019. 1994 ford f150 tail light wiring diagram july 5 2019. 4 wire harness july 5 2019. The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. One of the most common problems is improper wiring due to connecting the circuit wires to the wrong screw terminals.
Gallery of 3 Way Switch Common Wire
