Why does an outlet have a reset button?

A reset button is a feature of a ground fault circuit interrupter outlet. It restores power after the device has interrupted the circuit in response to a ground fault.

What does a ground connection do at an outlet?

An outlet's ground connection provides a path for fault current. That path helps a circuit breaker respond to certain faults involving exposed metal parts of connected equipment.

Can an outlet be controlled by a wall switch?

Yes, a wall switch can control an outlet when the wiring connects them for that purpose. This arrangement lets you turn a plugged-in lamp on or off at the switch.

Glossary

What Is an Electrical Outlet?

An electrical outlet is a connection point that supplies electricity from a building's wiring to equipment. In everyday speech, the term usually means the receptacle on a wall where you plug in a lamp or appliance. An outlet connects that equipment to a circuit through contacts behind its face.

Local relevance: In Pittsburgh, older homes may have older wiring behind outlet boxes, so a wiring repair can involve checking connections as well as the visible receptacle.

Quick Facts About Electrical Outlet

Category: Electrical connection point
Used for: Supplying power to equipment
Common confusion: Outlet versus receptacle
Also called: Electrical Receptacle, Receptacle
Often discussed with: Electrical Wiring Repair, Electrical Troubleshooting

Key Takeaways About Electrical Outlet

A receptacle is the fitting that accepts a plug.
A loose connection can interrupt power to plugged-in equipment.
An outlet and a circuit breaker serve different purposes.

How Electrical Outlet Works

Hands hold a duplex electrical outlet against a blurred sidewalk and brick wall outdoors

An electrical outlet works through contacts that meet the metal parts of a plug. Those contacts connect the plug to wires inside the wall. When an appliance is switched on, current flows through the appliance and returns along the circuit. Related service: Electrical Wiring Repair.

Related glossary terms: Branch Circuit, Circuit Breaker, Electrical Grounding.

The branch circuit carries electricity between the electrical panel and outlets in the building. A circuit breaker at the panel can interrupt that flow when it detects certain faults. An outlet itself doesn't perform the same job as a breaker.

In everyday use, people often call a wall receptacle an outlet. In electrical work, an outlet can also mean a connection point for equipment such as a ceiling light. A receptacle specifically accepts a plug, while the broader term describes the point where power reaches equipment.

A worker installs an electrical outlet with a screwdriver inside a wall opening near a window

From the Electrician Pittsburgh team

When we handle electrical wiring repair, we check the outlet's connections and the wiring at the box. A damaged receptacle isn't always the source of lost power. We also look for trouble elsewhere on the circuit when the symptoms call for it.

Electrical Outlet in Practice: A Real-World Example

A homeowner notices that a lamp flickers when its plug moves in the outlet. During an electrical wiring repair, the electrician checks the receptacle and its connections to find the cause.