What is an electrical switch?

Answer An electrical switch is a device that stops, allows or manipulates the flow of current inside a circuit. It does this with the use of a set of contacts. When the contacts touch, the switch is close... Read More »

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What is the name of this electrical switch?

Try a relay.Activated with main power, power off, relay switches to its other position, completing circuit to backup power.

How to Troubleshoot a Hot Electrical Switch?

An electrical switch that's hot to the touch can be a dangerous safety hazard. The most common cause is loose wiring. However, you should only troubleshoot a hot electrical switch if you have exper... Read More »

How to Add an Electrical Outlet From a Light Switch?

You can add an electrical outlet anywhere in your home, providing that you have a power source--such as a light switch--to supply electricity to the outlet. The National Electrical Code does not li... Read More »

How to Wire a Three-Way Electrical 12-volt Switch?

Three-way low-voltage switches are available in several different varieties. There are rocker, toggle and push-pull styles, and they come in a large number of colors and designs. These switches are... Read More »