That is simply the supply being split off to also supply something else.
2 way switch vs 3 way.
If i am correct i think you are wanting to know how to connect a 3 way switch where you can turn off an light at 2 locations.
How to wire a 3 way switch with multiple lights how to wire a double 2 way light switch 2 way light switch wiring two way switching explained how to wire 2.
2 way vs 3 way switch.
A three way switch 3 connections to the switch not including ground can turn lights on or off from 2 locations.
Speaker systems specialize in creating a large number of sound waves and adapt the differences.
Single pole switches with one switch controlling one light are marked with an on and off position.
The most often encountered kinds of speaker systems are three way and two way car speakers.
A b and ab.
Take a look at the switches in your home.
2 way and 3 way valve classifications are commonly used in industrial applications.
How do they function.
Colors are totally inconsistent in 3 way switches the next one you see might have red and white travelers.
An inlet port a and an outlet port ab on the other hand 3 way valves consist of three ports.
So what is a 2 way switch.
A three way switch has no marking because there is no consistent on or off position.
At one switch you run a 12 2 wire from the switch to the light.
A two way switch 2 connections to the switch not including ground turns lights on or off from 1 location only.
The 2 way switch or single pole double throw switch is a three terminal switch.
Before jumping straight into the feature specific table let s go through some useful information.
Here 1 terminal is the input and the other two are used as outputs.
A four way switch.
These valves are defined by the number of ports they use.
Every 3 way switch circuit is different.
2 way valves as their name suggests consist of two ports.
Together with the changing levels of sound waves.