This should give you a good basic understanding how the 2 way switch circuit works and will help you in adding or changing a 2 way switch. There are several ways to wire two way switching.
Sb2 3 Way Switch 2 Lights Wiring Diagram With Cable With
Diagram of 2 way switch wiring. If you need to know how to wire a two way switch then this is the place to start. 3 way light switching new cable colours 3 way light switch old cable colours 3 way light switch using a two wire control. The way i show allows you to fairly easily add a second two way switch to an existing light switch by simply wiring them together in a certain way. Ive included this method of 2 way switching for reference because you may come. As you can see in the schematic diagram of 2 way switch circuit below the common of both the switches are short circuited. The power source comes from the fixture and then connects to the power terminal.
Downside s of the two wire control. Two way switch lighting circuit diagrams. The three terminals are usually named com l1 and l2 but sometimes com 1 way and 2 way are also used. Below is the way i like to do it. It is a standard single pole switch with three terminals. Light wiring diagrams two way switching power feed via switch.
2 way switching two wire control. The other end of the lamp is connected with neutral line of ac power supply. Schematic diagram of new wire colours. Pin1 of both the switches are connected with the phase or live wire and pin2 of both the switches are connected with the one end of the lamp. 2 way light switch 3 wire system new harmonised cable colours 2 way switch 3 wire system old cable colours 2 way switch two wire control three way switching. A 2 way switch wiring diagram with power feed from the switch light.
Here is our selection of two way switch circuit diagrams. You will see that there is a hot wire that is then spliced through a switch and that then goes to the hot terminal of the light. Here is a two way switching solution posted for one of our users who had run. Before proceeding an important component called a two way light switch is the main element of the 2 way switching irrespective of the type of wiring used. The electrical symbol indicates where power enters the circuit. A two way switchuk schematic diagram of old wire colours.
Do you need to know how a two way switch works before you check out the circuit diagrams. So now that you have a basic concept of wiring a 2 way switch lets look at the following 2 way switch diagrams to see which type of circuit scenario you have.