A light fixture can operate with two switches in different locations. This is the simplest type of switch.
2 Way Switch With Power Feed Via Switch Multiple Lights
What is a 2 way light switch. When attaching the looped wires to the switches keep the open end of the loop to the right. Here 1 terminal is the input and the other two are used as outputs. The red wire is the traveler that carries the current from one switch to another. Lets assume the load you are controlling is a light. This practice maintains the loop form when the terminal screw is tightened. It is a standard single pole switch with three terminals.
Two way switch can be operated from any of the switch independently means whatever be the position of other switch onoff you can control the light with other switch. Wiring two switches to one light fixture adds convenience to any room with two entryways. This is a completed circuit. Well break it down pretty soon. A two way light switch produces light when two of three wires transport a current to either end of the installation. The third wire creates repetitive switching at either end.
Now lets look at the 3 way switch. The electricity flows from the hot wire black through the 2 way switch shown in off position and then to the light and returns through the neutral wire white. A two way light switch is a switch that can be used in conjunction with another two way light switch to turn a light or lights on and off from more than one location. The 2 way switch or single pole double throw switch is a three terminal switch. The three terminals are usually named com l1 and l2 but sometimes com 1 way and 2 way are also used. Its okay if this is too complex for you.
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. A 2 way switch means there is another switch controlling the same light. So what is a 2 way switch. So why is it called a 3 way switch. A 2 way switching connection means you can control an electrical equipment like bulb by two switches placed at different places generally used in the staircase. If a light switch is 1 way this means it is just an onoff switch.
By wiring a 2 way switch the circuit below shows the basic concept of electricity flow to the load. There are 3 basic types of switches that are used for domestic purposes. Because it uses two switches and one appliance.


















