What is a Switch?

A switch is a very simple device. It opens or closes and electrical circuit. These are used in many electrical devices and have many variants.

Uses of a switch
See the lightswitch on the wall? That is a basic switch. It interupts the circuit which turns off the lights.

Common Switches

Toggle Switches
Rocker Switches
Push Button Switch
DIP Switch

What is Throw and Pull mean for Switches?

Voltage Rating/Amperage Rating

Single Pole – Single Throw Switch