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Glossary

What Is a Tamper-Resistant Outlet?

A Tamper-Resistant Outlet is a receptacle with internal shutters that block access to the energized contacts when a plug is absent. The shutters open when matching pressure is applied to both slots by a standard plug. This design helps reduce accidental contact with electrical parts while preserving normal power access for household devices.

Quick Facts About Tamper-Resistant Outlet

Category

Electrical receptacle safety feature

Used for

Household receptacle installation

Common confusion

Not the same as a GFCI outlet

Also called

TR Outlet, Tamper-Resistant Receptacle

Often discussed with

Electrical Outlet Installation, GFCI Outlet Installation

Key Takeaways About Tamper-Resistant Outlet

  • Internal shutters cover the contact openings when no plug is inserted.
  • Both plug blades must apply pressure for the shutters to open.
  • Tamper-resistant does not mean waterproof or ground-fault protected.

How Tamper-Resistant Outlet Works

Tamper-Resistant Outlet

A Tamper-Resistant Outlet uses spring-loaded shutters inside the face of the receptacle. The shutters cover the energized contact openings when nothing is plugged in. A proper plug applies matching pressure to both openings, allowing the blades to enter and connect with the contacts.

Related glossary terms: GFCI, Ground Fault.

The shutter mechanism works with ordinary plugs and does not change how a connected device receives power. A tamper-resistant outlet does not detect leakage current, interrupt a fault, or protect against moisture. Those functions relate to devices such as a GFCI outlet. During an outlet installation, the receptacle also needs correct wiring, grounding, and a secure connection at the box.

Tamper resistant outlet

From the Center Electric Service team

When we install a Tamper-Resistant Outlet, we check the existing box, conductor connections, grounding path, and device fit. We also verify that the outlet type matches the circuit and the location. If ground-fault protection is needed, we treat that as a separate electrical function.

Tamper-Resistant Outlet in Practice: A Real-World Example

A homeowner requests a new receptacle in a bedroom where small children may access wall outlets. The installation uses a tamper-resistant outlet so ordinary plugs work while loose objects cannot easily reach the energized contacts.

Related Terms

GFCI

GFCI is a ground-fault circuit interrupter that helps protect people from electric shock. The device monitors…

Ground Fault

A ground fault is an unintended electrical connection between an energized conductor and a grounded surface…

Center Electric Service

Have Questions About Tamper-Resistant Outlet?

Contact Center Electric Service for practical guidance on Tamper-Resistant Outlet and related 24 hour electrician work in Riverside.

(951) 577-3540