On an electrical plan, what does a circle with the letters 'GFCI' indicate?
Correct Answer
A) Ground fault circuit interrupter outlet
GFCI stands for Ground Fault Circuit Interrupter, a safety device required in wet locations to prevent electrical shock by detecting ground faults.
Why This Is the Correct Answer
GFCI stands for Ground Fault Circuit Interrupter, which is a critical safety device in electrical systems. On electrical plans, a circle with 'GFCI' indicates the location of a GFCI outlet, which is required by the National Electrical Code in wet locations such as bathrooms, kitchens, garages, and outdoor areas. These devices monitor electrical current flow and quickly shut off power when they detect a ground fault, preventing potentially fatal electrical shocks.
Why the Other Options Are Wrong
Option C: General facility circuit indicator
General facility circuit indicator is not a real electrical term or device. This is a made-up option that sounds plausible but has no basis in electrical code or practice.
Option D: Grounded fixture connection interface
Generator fault circuit isolator is not what GFCI stands for. While generators do have safety devices, GFCI specifically refers to ground fault circuit interrupters used for standard electrical outlets and circuits.
Memory Technique
Remember 'GFCI = Ground Fault Circuit Interrupter' by thinking 'Get Fast Circuit Interruption' - it quickly stops dangerous electrical faults.
Reference Hint
National Electrical Code (NEC) Article 210.8 - Ground-Fault Circuit-Interrupter Protection for Personnel
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