Parts Of A Main Lighting Switch

The light switch is a standard household device that can also be one of the overlooked—a minimum of until you have got trouble with it. Although not tremendously complicated, main lighting switches still require a certain level of understanding prior to being worked on, especially since they utilize electrical power. Always be sure that previous to working with wires from a light switch to show off all power to the circuit. After that, understanding the essential components of the light switch will be a straightforward task.

The Switch and Plate

Gold 1 Gang 1 Way Wall Touch Switch WirelessThe at first parts of the light switch are the parts that everybody deals with on a day-to-day basis: the switch and the plate. The plate serves because the aesthetic barrier that covers the hole within the wall. Behind the plate are the inner workings of the principle light switch.

The switch is the actual object that you switch up and down. The switch is the part that connects to terminals through wires, controlling whether the light is on or off.


One thing that’s clearly visible after removal of the plate is the wires that run from the actual switch to the terminal inside the wall. These wires are answerable for transmitting to the terminal whether to show the light on or off based on the position of the switch as dictated by the homeowner.

The number of wires will depend on the location of the light switch and whether it’s on the top of a circuit or within the center. Light switches that are on the tip usually have 3 wires; a green, white and black wire. Middle-circuit switches generally have two sets of wires for each of those colors. Wires on this circumstance are usually attached to terminals and sometimes times to wire connectors as well. Always remember to never repair or alter electrical wires without ensuring the facility is turned off at the fusebox.


The terminals provide a destination for the wires, as dictated by the direction of the switch. It sends the electrical signal through the circuit and to the actual circuitry within the wall and ultimately to the light source. Any loose connections to the terminal can result in malfunctions throughout the switches. The terminal normally features a plastic device which can be turned, tying down the wires, ensuring that the wires are held securely together.

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