Electrical failures rarely arrive without warning. Long before a breaker trips or a fire starts, your outlets and circuits begin sending subtle signals that the system is under strain. If you learn to ...

Q: When I plugged my cell phone charger into a kitchen outlet, my phone didn’t start charging as it normally does—rather, it seemed that this one electrical outlet was not working. Is there something ...

Sarah Mitroff has worn many hats at CNET, including Senior Mobile Editor and Managing Editor of Health and Wellness. Currently, she is a freelance editor. Throughout her career, she's written about ...