In case of electrical current leakage, what does a GFCI do?

A Ground Fault Circuit Interrupter (GFCI) plays a crucial role in preventing electrocution by actively monitoring the electrical current flowing through a circuit. When it detects an imbalance between the incoming and outgoing currents—indicative of leakage, which can happen if current is flowing through a person rather than solely through the intended wiring—the GFCI responds by tripping the circuit. This rapid disconnection happens within milliseconds, significantly reducing the risk of serious injury or fatal electric shock.

Understanding the function of a GFCI is essential, especially in environments such as healthcare, where electrical equipment is frequently used in proximity to people. This technology is particularly important in wet areas like kitchens and bathrooms, where the risk of electrocution is notably higher. The swift action of the GFCI in detecting current leakage helps to protect both patients and healthcare professionals, making it a vital component of electrical safety protocols in medical facilities.