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. The other end of the lamp is connected with neutral line of ac power supply.

Nb 7157 Wiring Up A Two Way Dimmer Switch Wiring Diagram
2 gang 2 way light switch wiring diagram. 3 way light switch wiring 2 wire system this switch arrangement is basically two two way switches on a single face plate. Some brands of light switch may have slightly different labeling on the terminals such as c l1 l2 or even l1 l2 and l3. To switch from two locations youll need 2 two way switches and wire them together in a particular way. A wiring diagram usually gives information virtually the relative slant and promise of devices and terminals on the devices to urge on in building or servicing the device. If you are describing this switch to an electrician or electrical supplier you should refer to it as a 1 gang 2 way light switch and. Uk so this fig 1 is what we call a 2 way switch.
As you can see in the schematic diagram of 2 way switch circuit below the common of both the switches are short circuited. 2 gang 2 way switch wiring diagram wiring diagram is a simplified usual pictorial representation of an electrical circuit. A two gang two way light switch sounds complicated but its actually the very common two switch light fixture youre probably used to seeing in your home. 2 gang 2 way light switch wiring diagram uk. The next length of the twinearth cable will run from the light to the first two way switch. In position 2 when the switch is up or off com and l2 are connected together.
When you switch it one way on or position 1 the com terminal is connected to the l1 terminalwhen you switch it the other way off or position 2 the com terminal connects to the l2 terminal. Two way means that the switch has two positions on and off and two gang means that two switches are packaged together. It shows the components of the circuit as simplified shapes and the power and signal links in the midst of the devices.