NEETS Module 10 Practice Test 2025 – Complete Navy Electricity and Electronics Exam Prep

Question: 1 / 400

What is the significance of a ground fault circuit interrupter (GFCI)?

It controls the flow of electricity

It prevents electric shock by interrupting the circuit

The significance of a ground fault circuit interrupter (GFCI) lies in its primary function to prevent electric shock by interrupting the circuit. A GFCI detects any imbalance of electricity flowing through the circuit, which could indicate that current is leaking through an unintended path, such as through a person's body. When such a fault is detected, the GFCI quickly cuts off the power, minimizing the risk of serious injury or death from electric shock.

This device is especially important in wet or damp areas, such as bathrooms, kitchens, and outdoor locations, where the likelihood of electric shock increases due to the presence of water. By providing this vital layer of protection, GFCIs help ensure electrical safety in residential, commercial, and industrial settings.

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It measures ground voltage levels

It amplifies electrical currents

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