20A outlets are applied to operate appliances and equipment which have increased energy prerequisites. That includes products that do the job inside the kitchen area and laundry area, such as dishwashers and washing equipment. You may recognize them because of the smaller horizontal slot next to the vertical slot (Grounding). https://typesofmicrophones19406.dreamyblogs.com/29719730/not-known-factual-statements-about-types-of-electrical-plugs-outlets