Q: I went to use my hairdryer in the bathroom, but I discovered some of the outlets have stopped working. My GFCI test button won’t push in when I try to reset it, but nothing has tripped in the ...

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.

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 ...