Outlet

Updated: 04/26/2017 by Computer Hope

US power outletAlternatively referred to as a power socket, wall outlet, or wall socket, an outlet is the location of where the power cord or power strip plugs into the wall. The picture is an example of a United States home power outlet.

Warning: If an outlet is not properly grounded it could result in a number of computer problems that include: a computer that does not boot, random errors, and physical damage to the computer. If you believe your outlet may not be grounded or wired properly plug testers can be purchased at a local hardware store to test the wiring of an outlet.

How do I know if a wall outlet is good and working?

The easiest solution to test a wall outlet is to purchase a wire receptacle tester, which can be plugged into the outlet and tell you if the wiring is correct and properly grounded. These testers can be purchased at any local hardware store or online through Amazon.com. These testers can not only tell if you if there is power getting to the socket but also let you know if the wiring is correct and that there is a proper ground.

What type of power comes from an outlet?

In America almost all wall outlets use AC power that is converted by the computer power supply to DC power for a computer. Other parts of the world usually have DC power outlets and look different then the outlet pictured on this page.

What are the wires in a U.S. 110-volt wall outlet?

  • Copper, Green, or green with yellow stripes - Connects to earth ground.
  • White - Connects to neutral conductor.
  • Black, red, or any other color - Connects to the hot phase or conductor.

AC, Power terms, Power strip, Socket, Wall plate