Person plugging something into a GFCI outlet with red and black buttons - Tomsmith585/Getty Images Have you ever noticed how some electrical outlets in your home look slightly different from the rest?

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Electricity is crucial for the operation of most modern homes. It allows you to cook on electric stoves, store food in electric refrigerators, and use countless electrical devices, like computers or ...

The majority of electrical outlets in your home look more or less the same: two outlets, three holes in slightly different shapes to insert up to three prongs and deliver electricity. Some outlets ...

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Have you ever noticed how some electrical outlets in your home look slightly different from the rest? Instead of a smooth plate, these outlets feature two small buttons, often colored black and red.