Which of the following is an example of a GFCI?

The answer highlighting an outlet in the bathroom with a reset button as an example of a GFCI (Ground Fault Circuit Interrupter) is accurate because GFCI outlets are specifically designed to protect against electrical shocks that can occur when moisture is present. Bathrooms, being areas with significant moisture exposure, are common locations for GFCI installations.

The reset button is a key feature of GFCI outlets, allowing users to easily reset the device after it has tripped due to a ground fault, which happens when there is a difference in the electrical current between the hot and neutral wires, indicating a potential leak to ground. This proactive safety mechanism is crucial in preventing serious injuries, making it a fundamental component of electrical safety in environments where moisture is prevalent.

In contrast, a kitchen refrigerator outlet may not necessarily provide GFCI protection, as refrigerators typically have their own safety requirements that don't always involve GFCI. Outdoor light fixtures with timers may be weather-resistant but aren't inherently GFCIs unless specified as such. A standard wall outlet in the living room typically does not have a GFCI function, making it less suited for environments with moisture risk.