When working with basic 3 way snap switches the switch should have four terminal. The hot wire from light always goes to the common terminal of the second switch.
Three Way Switches Engviral Com
Common terminal on 3 way switch. Switch lightpower switch what is common in the diagrams above and with any 3 way switch circuit is that the power hot wire coming into the circuit will always go to the common terminal of the first switch. In this diagram the incoming hot wire attaches to the first switchs common dark colored terminal. A 3 way switch has three terminal screws plus a ground screw. 2002 nissan altima bose stereo wiring diagram july 4 2019. The ground screw is usually green. Its a foolproof way for a proper connection.
The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. Before you start installing take a look at your new 3 way switch to identify all of the terminals that you will be connecting wires to. There are three screw terminals on the body of the switch in addition to the green grounding. Common com or c this terminal will typically be black or some color other than green or silver. The single dark colored screw is known as the common terminal. 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 are no onoff markings on the switch toggle. Dish hopper 3 wiring diagram july 4 2019. Traveler wire terminals these are located on each side of the switch towards the top of the switch. A more positive way to identify a 3 way switch is to look at the body of the switch and count the number of screw terminals. Find the common load. Split circuit outlet july 4 2019.
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. A 3 way switch will not have the words on or off written on it. The common terminal is the bridge between the power supply and the load typically a light fixture. There are two clear giveaways that identify a switch as being a three way type. Two of the terminals are a light colorbronze or copper coloredand are called travelers. How to determine the correct wires to attach to a 3 way switch when the wire and screw terminal color code is not certain.
Solenoid relay diagram july 4 2019. Low voltage garden path lights july 4 2019. Such markings are not needed with this type of switch as they are. Digital thermostat circuit july 4 2019. 3 way switch common terminal july 4 2019. Replace any regular switches with the 3 way switches.
It may be brass in which case it will be labeled or marked in some way as common.
Gallery of Common Terminal On 3 Way Switch
