The three terminals are usually named com l1 and l2 but sometimes com 1 way and 2 way are also used. Any electrician will tell you that this will not work for a regular double switch three way circuit.
Light Switch Wikipedia
How to install two way switch. You may have to use the wire strippers to strip the ends of the wire and the wire cutters to trim the length. How to wire 2 way light switch in this video we explain how two way switching works to connect a light fitting which is controlled with two light switches. With this done you can now start to wire the two way electrical switch to the box. 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. Installing the two way dimmer switch traditionally you cannot dim a light from two different switches as it will cause a conflict in the circuitry. However you can set up specialized two way dimmers using a master and slave switch.
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. It is a standard single pole switch with three terminals. We look at the eu colour coding wires. Pin1 pin2 of the first switch is connected with the pin1 pin2 of second switch respectively. Wiring two switches to one light fixture adds convenience to any room with two entryways. As you see in the schematic diagram of 2 way switch circuit below you will find that the phaselive is connected with the common of the first 2 way switch.
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. Also known as three way switching the job calls for a pair of special three way switches and an appropriate length of 14 3 conductor cable to join the switches together. The two way switch will have corresponding wires or screws. If you are going to install a new one then go for three wire control method. Use the screwdriver to loosen the wires in the box.