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 ...

Most of us never think twice about which outlet we plug our appliances into. An outlet is an outlet, right? You find one near ...

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.

Once again we’re trying to dispel a modern mystery that lurks in plain sight. For previous columns, click here; to submit your own suggestions, see the e-mail address below. Who indeed? Next time ...