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 ...

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.

Ground-fault circuit interrupters (GFCIs) limit the available shock current to personnel by sensing current flow in the neutral and interrupting the circuit at a predetermined value (typically 6mA) ...