Slide switches are one of the most common switches used in electrical devices. Compact sized and operable with only a finger, slide switches are important as their absence can render the device useless in absence of the capability to switch ON and OFF without having to pull the mains cord. It is uncanny to list all the applications where slide switch is used.  From electrical chimneys to hand blender in the kitchen, from lamp to the toy car in the living room, slide switches are almost omnipresent.We are used to see switches and use it as a black box. But have you ever thought how does a slider of few centimeters control big machines? What happens inside the switch when it makes and breaks the connection? Is it an assembly of several even smaller components? Why does it keep on working irrespective of the environmental conditions? Let’s find out the internal as well as external features of the switch that make it work.