Understanding GFCI Outlets

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Electrical basics

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The third basic is understanding Ground Fault Circuit Interrupter (GFCI) outlets. Unlike regular circuit breakers that protect wiring, GFCI outlets protect people from electrical shock. A GFCI works by constantly comparing the current flowing into and out of a circuit. If it detects a difference between 4 to 6 milliamperes, indicating a ground fault (e.g., someone is being shocked), it quickly trips, cutting off power. You can safely test your GFCI outlets by pressing the 'Test' button, which simulates a ground fault. After it trips, you simply press the 'Reset' button to restore power. GFCI outlets are required in areas where shock hazards are more likely, such as garages, basements, crawl spaces, kitchens, bathrooms, and any location near water.

Goal: Know the function, testing, and common locations of GFCI outlets.

Tools and materials

GFCI Outlet — Provides ground fault protection against electrical shock

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14-3. It has three conductors. Number three, GFCI outlet. As where a breaker protects your wiring, a GFCI protects you. A GFCI compares the current going in and the current going out and it trips when the difference is between 4 and 6 milliamps. You can safely test your GFCI outlets by pressing test. This simulates an electrical short or a ground fault. After the outlet's tripped, you simply just press reset. GFCI outlets are required in areas where shock hazards are more likely. Garages, basements, crawl spaces, kitchens, bathrooms, things around water. Know how to turn off your breakers, know what size wire you need, and know how to operate GFCIs around your house. Anyways, I got stuff to do. I'll catch you guys later. Peace.

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