While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

A multimeter and its test leads allow electrical workers to reach into an energized panel, touch live circuit components with the end of the test leads, and capture electrical readings like voltage, ...

In this video, I demonstrate how to test an AC compressor to determine if it is faulty. The two featured tests are quick and straightforward, allowing you to assess the compressor yourself before ...