Define 'ground fault circuit interrupter' and its typical location requirements.

Define 'ground fault circuit interrupter' and its typical location requirements.

• A. GFCI interrupts current only if a short circuit is detected.
• B. GFCI interrupts current if an imbalance is detected; required in wet locations such as kitchens, bathrooms, outdoors, and sump areas.
• C. GFCI reduces voltage.
• D. GFCI protects against lightning.

Answer: (B)