Potential relays are commonly found on many smaller, single-phase, capacitor-start, capacitor-run motors in the HVACR industry. Their function is to assist in starting the electric motor. Potential ...

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 ...

Whether it's a ground-up, refurbish, or a search and repair mission on your latest project, tracking down electrical problems don't have to be an unsolvable mystery. We found ourselves having some ...