Not knowing how to troubleshoot electrical issues is a death sentence for any DIYer’s bank account. Your only other option is a wild goose chase by throwing money at your car until the problem’s fixed ...

Probing to test voltage in electrical connectors on farm equipment can be a challenge. Here are some tricks: A straightened paper clip fits the sockets on many electrical connectors. It’s easier to ...

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 ...

Residential electrical branch circuit breakers incorporate electronic and electrical technology in Arc Fault Circuit Interrupters that can turn off power to prevent fires if arcing occurs. This ...

Wherever circuits need protection against current overloads or short circuits, you’ll find circuit breakers. They range from fingernail-sized devices for semiconductor protection to truck-sized ...

Every electrician has been there: You open a panel, and nothing is marked — or the markings are so outdated, you don’t have confidence in their accuracy. In some ...

To discover potential power-supply problems, you must run dynamic and static tests. The simple current sink in Precision voltage-controlled current sink tests power supplies tests low- to medium-power ...

MEASURING live voltages and current in today's high-energy environments can result in a severe hazard to equipment and users if proper precautions are not applied. Given the risk of transients, surges ...