In what scenario would a GFCI be used?

The appropriate scenario for using a Ground Fault Circuit Interrupter (GFCI) is in wet locations like bathrooms or kitchens. GFCIs are specifically designed to protect individuals from electric shock in areas where water and electricity can come into contact. Since bathrooms and kitchens are environments that frequently have moisture or direct water contact, installing GFCIs in these areas significantly reduces the risk of electrical accidents.

In contrast, while garage areas may benefit from GFCIs due to potential moisture, they are not the primary locations mandated for GFCI installation like bathrooms and kitchens. Outdoor outlets do require GFCIs for their safety but the option specifies “outdoor outlets only,” which doesn’t encompass the critical need for protection in wet interior locations. Lastly, while adding safety in living rooms is always beneficial, it lacks the immediate risk factor present in areas where water is involved. Thus, the requirement for GFCIs is most crucial in wet locations, aligning with the National Electrical Code, which emphasizes their importance in preventing electrical shock hazards in such environments.