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 ...

You recently hired on as the Plant Electrical Maintenance Supervisor. The job was created because of a list of problems that have remained unsolved despite the best efforts of the eleven maintenance ...

Q: When I plugged my cell phone charger into a kitchen outlet, my phone didn’t start charging as it normally does—rather, it seemed that this one electrical outlet was not working. Is there something ...

It is of utmost importance for service technicians to understand voltage troubleshooting when servicing HVACR equipment. The majority of service problems are electrical problems, which usually cause ...

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 ...

A good digital multimeter (DMM) is key to diagnosing compressor problems in general. For instance, in a previous article (May 15 issue of The NEWS) we discussed using the DMM to read suction and ...

Corrosion wreaks havoc on big robust connectors like this. What do you think happens in systems that need to detect changes of mere millivolts? The day will come when trucks no longer have hood ...

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 ...

Aside from a dead battery or faulty charging system, the most common electrical issues owners are likely to experience are burned-out light bulbs. After bulbs, though, it’s likely potluck: Electrical ...

Class A motorhomes and smaller campers typically run on both AC and DC power. The former is your electrical hookup at the campground. It runs the energy-demanding thing like your air conditioner, ...