What is a ground fault circuit interruptor (GFCI) anyway?
What’s the “ground-fault”? A “ground-fault” is an unintentional flow of electricity between a source of electrical current and a grounded surface. Without protection, electrical shock can occur if a person comes into contact with an energized part. For example, if a person is holding a damaged electrical cord from a hair dryer and touches a plumbing fixture, they could be electrocuted. They would certainly get a painful shock.
A ground-fault circuit interrupter (GFCI) is the protection device to protect people against electric shock from an electrical system.
A GFCI receptacle constantly monitors an electrical circuit. If it detects even a slight flow of electricity to a grounded item, it immediately shuts off the flow of electricity. This protects people from electrocution. It is particularly important to protect people where they could come in contact with exposed grounded items such as plumbing fixtures.
Overloaded Receptacle If too much electricity flows through a wire,be it will get hot. Sometimes it can get hot enough to start a fire inside the walls of a house. Traditional circuit breakers protect your house from fires by shutting off the flow of electricity to a wire when there is too much demand for electricity. This can happen when too many items plug into a circuit. . That’s why a power strip can be dangerous if there are too many electric items plugged into it. Circuit breakers do not protect people from electrocution. Their purpose is to protect you from a fire.
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