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 ...

We’ve all had those long days where you wish you could just find the electrical problem and get to the next job — or go home! The best way to try and avoid these frustrating days is to review prints ...

We may receive a commission on purchases made from links. When undertaking DIY electrical projects at home, safety should always come first. Whether you're adding a dimmer switch, installing a new ...

Thinking of tackling electrical repairs but don’t know where to start? With just a little knowledge–and less than $100 worth of tools including things like wire strippers and a multimeter–you can take ...

It takes more than luck to successfully diagnose electrical and electronic faults. The interconnectedness of today’s systems and components means that symptoms don’t always present in ways that lead ...

The advent of electromechanical controls in the 1970s, analog controls in the 1980s, direct digital control (DDC) in the 1990s, and complete building control integration in the 2000s has progressively ...