Questions and Answers
What is the primary function of a Ground Fault Circuit Interrupter (GFCI)?
A GFCI protects people from electrical shock.
True
What does GFCI stand for?
Ground Fault Circuit Interrupter
How fast can a GFCI interrupt electrical power?
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Which of the following are types of GFCIs commonly used in homes? (Select all that apply)
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Where is a receptacle-type GFCI usually installed?
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Study Notes
Ground Fault Circuit Interrupter (GFCI) Overview
- GFCI is an electrical safety device that de-energizes a circuit when a ground fault is detected.
- Designed for both person and property safety in accordance with National Electrical Code (NEC).
- Commonly used in wet locations to prevent electrical hazards.
Purpose and Function of GFCI
- Protects people and pets from severe electrical shocks, which could be lethal.
- Monitors the electrical current flowing in a circuit to detect any imbalances, indicating a ground fault.
- Instantly interrupts the electrical supply within milliseconds of detecting fluctuations to ensure safety.
Types of Ground Fault Circuit Interrupters
- Three main types of GFCIs found in residential settings:
- GFCI Outlet
- GFI Circuit Breaker
- Portable GFCI
- Each type serves the same safety function but varies in application and limitations.
Receptacle-Type GFCI
- Replaces standard convenience outlets and is commonly installed in areas prone to moisture, such as bathrooms, kitchens, and outdoor spaces.
- Can be mounted into a standard electrical outlet box and is connected to the branch circuit.
- Essential for enhancing safety in high-risk locations around the home.
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Description
This quiz covers essential definitions and concepts related to Ground Fault Circuit Interrupters (GFCIs). Understanding GFCIs is crucial for ensuring electrical safety in various environments, especially in wet locations. Test your knowledge on this important electrical safety device.
