What are GFCI outlets? Plus 6 things you should never plug into one

GFCI outlets offer reliable protection but are not suitable for all devices, as appliances with high inrush current like refrigerators and power tools can cause nuisance tripping. Outdoor equipment, high-powered appliances, surge protectors, and sump pumps can also trip GFCIs, leading to potential safety hazards. Medical equipment like CPAP machines should be plugged into conventional outlets to avoid unnecessary power disruptions.

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