The answer to 'types of GFCI outlet' is that there are several common types of GFCI (Ground Fault Circuit Interrupter) outlets used in homes. GFCI outlets are designed to protect against electrical shocks and reduce the risk of electrocution by quickly shutting off power when a ground fault is detected. The most common types of GFCI outlets include: Duplex GFCI Outlet: This is the standard GFCI outlet with two receptacles. It can be installed in place of a regular outlet to provide ground fault protection. GFCI Circuit Breaker: This is a circuit breaker with built-in GFCI protection that can be installed in the electrical panel to protect an entire circuit. GFCI Receptacle with Indicator Light: This type of GFCI outlet has a small indicator light that illuminates when the GFCI is tripped, making it easy to identify which outlet needs to be reset. GFCI Combination Outlets: These outlets combine GFCI protection with additional features like USB charging ports or tamper-resistant shutters.

Types of GFCI outlet

ElectricalUpdated March 2026

The answer to 'types of GFCI outlet' is that there are several common types of GFCI (Ground Fault Circuit Interrupter) outlets used in homes. GFCI outlets are designed to protect against electrical shocks and reduce the risk of electrocution by quickly shutting off power when a ground fault is detected.

The most common types of GFCI outlets include:

Duplex GFCI Outlet: This is the standard GFCI outlet with two receptacles. It can be installed in place of a regular outlet to provide ground fault protection.
GFCI Circuit Breaker: This is a circuit breaker with built-in GFCI protection that can be installed in the electrical panel to protect an entire circuit.
GFCI Receptacle with Indicator Light: This type of GFCI outlet has a small indicator light that illuminates when the GFCI is tripped, making it easy to identify which outlet needs to be reset.
GFCI Combination Outlets: These outlets combine GFCI protection with additional features like USB charging ports or tamper-resistant shutters.

Sources

National Electrical Code (NEC)— authority

Electrical Safety Foundation International (ESFI)— authority

Consumer Reports— guide

Step-by-Step Guide

1
Install a GFCI Outlet
Turn off power to the circuit, remove the existing outlet, and wire the new GFCI outlet according to the manufacturer's instructions. Test the outlet after installation to ensure it is working properly.

Frequently Asked Questions

When should I use a GFCI outlet?

GFCI outlets are required by code in areas of the home where electrical devices may come into contact with water, such as bathrooms, kitchens, laundry rooms, basements, and outdoor areas.

How do I test a GFCI outlet?

To test a GFCI outlet, simply press the 'test' button on the outlet. This should cause the outlet to trip and shut off power. To reset it, press the 'reset' button.

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