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 ...

GFCIs save lives. Learn how to test your GFCIs two ways, with these instructions.

There could be a tragedy waiting to happen if you haven’t tested your home’s Ground Fault Circuit Interrupters recently. Commonly referred to as GFCIs, these are the electrical outlets you should have ...

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 ...