Most homeowners don't give much thought to the electrical system humming away behind their walls. Until something goes wrong, ...

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 ...

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 ...

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 ...

Effective use of a VOM (Volt Ohmmeter) Reading schematics and diagrams Best Practices for troubleshooting heat and cooling Furnaces and Heat Pumps Low Voltage and High Voltage Circuits Description of ...

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 ...

In this educational film, Mr. Grant explains the basics of electricity to Frank and Joan while repairing Joan's flashlight. He demonstrates how a broken wire prevents electricity from flowing, leading ...