The digital voltmeter is the best basic tool for electrical troubleshooting, because it's calibrated and exact. But remember, the digital voltmeter can't detect a high-resistance fault if the circuit ...

Double-tapped circuit breakers are one of the most common electrical defects that home inspectors find. Everyone seems to sign off on this defect as a 'big deal', but I'm here to tell you it's not. It ...

Man looking at an open electrical panel in a home - Photoalto/eric Audras/Getty Images Imagine you're relaxing in your living room — the lights are on, the TV is streaming your current favorite show, ...

Well-known industry author and instructor Jim Johnson is offering a new video for technicians who want to sharpen their troubleshooting skills. "This HVAC training video program, is available in DVD ...

Question: You talked about a ground fault circuit interrupter and that it’s necessary in different places in the home. My home was built in the 1950s, and I don’t ...