2 Way Switch Meaning. A two way light switch is a simple single pole changeover switch with three terminals. A spdt switch has 3 terminals.
One of two electrical switches (as at the top and bottom of a stair) controlling a single outlet. In one switch position the com terminal is connected to l1. So a double pole switch is almost like having.
It’s Okay If This Is Too Complex For You.
A two way light switch is a simple single pole changeover switch with three terminals. Two way switching explained how to wire 2 way light switch realpars. The single switch controls a single light (or lighting circuit).
Now, Let’s Look At The 3 Way Switch.
If a light switch is '1 way' this means it is just an on/off switch. They are wired so that operation of either switch will control the light. 2 way switching means having two or more switches in different locations to control one lamp.
It Will Have One Terminal In And 2 Terminals Out.
If a light switch is ‘1 way’ this means it is just an on/off switch. The input terminal is called common. The difference is these two switches are inside the same case.
When One Connection Is Made, The Other Gets Damaged Or Broken Automatically.
The 2 way switch or single pole double throw switch is a three terminal switch. Here 1 terminal is the input and the other two are used as outputs. Two way switches have a com terminal as well as l1 and l2 terminals.
So, What Is A 2 Way Switch?
In the other switch position it changes over so that com is connected to l2. So, why is it called a 3 way switch? These are often used on a stair case, large room with switches by each door.