Testing a circuit breaker is about judging reliability under fault conditions, not just checking continuity or voltage. A ...

Protective relay testing verifies that installed relays will trip correctly under real fault conditions, confirming settings, ...

Insulation resistance testers, often called megohmmeters, are fundamental tools for preventive maintenance, used to assess the integrity of insulation in motors, cables, transformers, and other ...

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 ...

At one time, it was common in many production facilities for the typical maintenance electrician to walk the floor with just a screwdriver and adjustable pliers in his back pocket. That transitioned ...

A version of Part 1 appeared in the Dec. 2011/Jan. 2012 issue of Test & Measurement World. See the PDF. In January 1979, Electronic Test published an article claiming that a single test circuit that ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The Takeaway: The Greenlee TK-30A may be the perfect electrical test kit. It weighs ...

Electrical commissioning of complex electrical distribution systems adds value and peace of mind to facility owners. By thoroughly commissioning the electrical system, the facility owner is assured ...