Isolating problems in the control circuitIn 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 ...

A clamp meter is a great tool for troubleshooting electrical motor and compressor problems. Meters designed to accurately measure both AC voltage and AC current are especially useful.

If a potential relay is malfunctioning, the compressor motor is in danger of not starting, stalling, locking rotor, or even burning out. That is why technicians should understand how to troubleshoot ...

ECEA 5341 Motors and Motor Control Circuits ECEA 5341 Motors and Motor Control Circuits 2nd course in the Embedding Sensors and Motors Specialization. Instructors: Jay Mendelson, MSME, Lecturer & ...

The handheld device uses a dynamic load-simulation program and a truck’s towing circuits to test aftermarket and integrated trailer brake controllers. It includes a 25-foot cable that plugs into ...

IDEAL Electrical™, a leading manufacturer of tools and supplies for electricians, proudly unveils the SureTrace™ Circuit Tracer Pro – a flagship addition to its trusted SureTrace line that ...

If you're having circuit breaker issues, you'll want to use safe troubleshooting tools. Luckily, Klein Tools has several to choose from at different prices.

3. Electrical and vacuum functions are illustrated here. When you apply heat, you are moving the Bowden cable, which affects the heat control door and hot water valve function.

Isolating problems in the main power circuitWhen you get the call, “The motor won’t start,” you’d best have a logical and systematic plan in place to approach the problem. “Easter egging” just doesn’t ...