In Part 1 of this two-part series, we presented a 3-phase, 480VAC motor circuit with its associated controls (Figure). We stepped through a logical, systematic approach to troubleshoot the main power ...

Want to safely repair an electric appliance or simply test your home’s wiring? Get shopping tips as well as our top tool ...

Multimeters are indispensable tools when working on electronics. It’s almost impossible to build any but the most basic of circuits without one to test and troubleshoot potential issues, and they make ...

Troubleshooting live electrical circuits can pose a hazard not only to the equipment being worked on, but more importantly, to the person performing the labor — especially if that individual lacks ...

Let’s face it: Diagnosing electric problems is a pain, to say the least. You can get far with a test light and your trusty digital multimeter, but you still might end up just throwing parts at the ...

The SureTrace™ Circuit Tracer Pro redefines what a circuit tracer can do. With numerical voltage readings, continuity testing, AC amperage readings, contactless tracing, and receptacle testing, it's ...

If you buy something using links in our stories, we may earn a commission. Learn more. A good multimeter is like the Swiss Army knife of electronics tinkerers. It's so useful you'll rarely put it away ...