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. This means that there.
3 Way Multi Switch Installation 4 Wire Switches Amp Dimmers
3 way switch common wire. This 3 way switch wiring diagram shows how to wire the switches and the light when the power is coming to the light switch. 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. Typical 3 way switch wiring nm cable. Three way switches are tricky to install especially for diyers who are replacing a bad switch. 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.
3 way switch common terminal july 4 2019. 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. The common terminal is the bridge between the power supply and the load typically a light fixture. Digital thermostat circuit july 4 2019. Connect the wire marked common to the black or dark colored screw.
2002 nissan altima bose stereo wiring diagram july 4 2019. 4 wire harness july 5 2019. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. In this diagram the incoming hot wire attaches to the first switchs common dark colored terminal. When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. Connect the ground wire to the green screw.
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. Traveler wires are interchangeable on each switch. One of the most common problems is improper wiring due to connecting the circuit wires to the wrong screw terminals. Dish hopper 3 wiring diagram july 4. 1994 ford f150 tail light wiring diagram july 5 2019. This is a relatively common configuration in which the wiring connections are done in this manner.
Split circuit outlet july 4 2019. Low voltage garden path lights july 4 2019. Connect the two remaining traveler wires to the two brass or light colored screws. The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. 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.
Gallery of 3 Way Switch Common Wire
