Receptacle - The most common type, these are the outlets with the red and black buttons in the middle most commonly found in bathrooms, garages, laundry rooms and more. , Circuit Breaker GFCI’s - These GFCI’s protect the outlets on an entire circuit board. , Temporary - This type of GFCI is most commonly used on construction sites or during renovations to protect the workers from getting shocked. They are removed once construction is complete or replaced with regular outlets.