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 ...

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 ...

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 ...

Electrical problems are one of the most common problems encountered by technicians in the field. One common pitfall service technicians fall into is approaching the issue by testing specific ...

In the first part of this electrical troubleshooting series, we discussed how a consistent approach to electrical troubleshooting can help HVAC technicians get a comprehensive assessment of what is ...

How good are your basic troubleshooting techniques? It’s the start of the shift and a production line won’t start. The trouble ticket says the operator pushed the start button several times and ...

Today's thermal imagers are rugged, easy to use, and much more affordable than they were even just a few years ago. They have become a realistic solution for everyday electrical maintenance. To use, a ...

Many of the electric transmission grids in service around the world were designed and built more than a half century ago. While changes and upgrades have obviously been made over the years, the ...

It takes more than luck to successfully diagnose electrical and electronic faults. The interconnectedness of today’s systems and components means that symptoms don’t always present in ways that lead ...

Master RV maintenance with our guide to the best RV repair courses. Learn electrical, plumbing, and HVAC systems to become a confident DIY RVer.