![]() How Does a GFCI Work?Ī GFCI (Ground Fault Circuit Interrupter) works by continuously monitoring the flow of electrical current in a circuit. They are required by electrical codes in certain locations and are often installed in electrical outlets or as part of a circuit breaker. GFCIs are typically found in areas where water is present, such as kitchens, bathrooms, laundry rooms, and outdoor locations. The imbalance can be caused by current flowing through a person’s body instead of the intended path, such as a faulty appliance, a damaged cord, or a wet or damp environment.Ī GFCI can detect this imbalance within milliseconds and can prevent serious electrical shock injuries, which can be fatal. It works by constantly monitoring the current flowing through an electrical circuit and quickly shutting off the power if it detects even a small imbalance in the current flow. What is a GFCI?Ī GFCI (Ground Fault Circuit Interrupter) is an electrical safety device designed to protect people from electric shock. This helps to prevent electric shock and other hazards caused by ground faults. To prevent the dangers of ground faults, electrical systems are often equipped with a ground fault circuit interrupter (GFCI).Ī GFCI works by constantly monitoring the flow of electricity in a circuit and quickly shutting off power if it detects an imbalance or ground fault. In addition, exposure to moisture, dust, or other contaminants can increase the risk of ground faults. They are often caused by damaged or worn insulation on wires, which can allow electricity to escape and create a ground fault. Ground faults can occur in a variety of electrical systems, including household wiring, industrial machinery, and electronic equipment. This can result in an electric shock, electrical burn, or fire. This unintended path is typically created when a conductor, such as a wire, comes into contact with a ground surface or another conductor that is grounded. GFCI Keeps Tripping with Nothing Plugged InĪ ground fault occurs when an electrical current travels through an unintended path, such as a person’s body or the ground, rather than the intended path, such as a circuit or appliance.
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