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Which of the following statements is true about GFCI outlets?

  1. They are required in kitchen areas only

  2. They provide protection against ground faults

  3. They can replace circuit breakers

  4. They are not required in outdoor installations

The correct answer is: They provide protection against ground faults

GFCI outlets provide protection against ground faults, which is the reason this statement is the correct choice. Ground Fault Circuit Interrupters (GFCIs) are designed to detect imbalances in electrical current and shut off power to prevent electric shock. This is particularly important in areas where water and electricity might come into contact, such as bathrooms, kitchens, and outdoor installations. The significance of GFCIs lies in their ability to enhance safety by reducing the risk of electrocution, making them a crucial component in certain parts of residential and commercial wiring. For context, GFCIs are not limited to kitchens or the outdoor areas mentioned in other statements; they are mandated in various locations as per electrical codes. Additionally, while GFCIs can function alongside circuit breakers, they do not replace them entirely, instead serving as additional safety devices. Furthermore, GFCI outlets are in fact required for outdoor installations to ensure safety in those environments.