NCIDQ IDFX Practice Exam

What does GFCI stand for?

1. Ground Fault Circuit Interrupter

2. General Function Circuit Interrupter

3. Grounded Fixture Circuit Interceptor

4. General Fault Circuit Interruptor

The correct answer is: Ground Fault Circuit Interrupter

GFCI stands for Ground Fault Circuit Interrupter. This device is designed to protect people from electric shock by monitoring the amount of current flowing in a circuit and interrupting it if it detects an imbalance. Such imbalances can occur when electricity is leaking from the circuit, which could happen if a person comes into contact with a live wire, providing a path to the ground. This way, GFCIs are essential in areas where there is a higher risk of electric shock, such as bathrooms, kitchens, and outdoor locations. The significance of GFCIs in electrical safety cannot be overstated, as they help prevent severe injuries and fatalities resulting from electrical faults. Their function is crucial for compliance with building codes and standards that prioritize safety in residential and commercial installations. Understanding what GFCI stands for and how it operates is important for anyone involved in interior design, as it relates directly to the safety and functionality of residential spaces.