What Is Common On Light Switch. Some occupancy sensor switches automatically turn lights on when a person enters a room and then off when the person exits. At one time, they were pretty simple—just a toggle you flipped on and off.
In a situation where there is only one switch controlling the light or lights you normally use a spst (single pole single throw) switch that has only two connection terminals. Combined dimmer and throw or rocker light. There is no "common" on these switches.
Before go in details, we have to show the basic construction and operating mechanism of.
The common light switch used in household wiring is an example of a toggle switch.
A alcoholic drink made with equal parts bourbon (traditionally Southern Comfort) and squirt. Being a smart homeowner means knowing what is going on in your home and how it works—including the electrical elements. Two way switches can be used when there is only one switch for a light, as a substitute for a one way switch.