One way Switch

Switch are so important to electricity. Without switch it's impossible to control electricity. There's many types of switch to control electricity. Like one way,two way and so on. Now we going to look about one way switch. That's the basic for all switches we use now.

One way switch are commonly used for lamps,fans and so on. These switch are so simple and easy to wired. It has only two connection. One is common and one is L1 means Live one.

You can use both connection  or vise versa. Means if you use either you connect lamp to 'C' or 'L1' and connect 'L1' or 'C' to MCB, the lamp will glow.   

This picture show that live terminal from the bulb are connected to the first connection and the second connection are connect to live. When the switch is On ( means the switch is off in electrical terms) the bulb is will not light up and disconnected. As the switch is Off ( means the the switch is on in electrical terms) the bulb will light up and connected as the picture below shown.

Now the loop are complete. the symbol for this one way switch is :

Now you are able to wire a one way switch by yourself.

 From now you are a Junior Electrician