Article 440, Part VI provides the requirements for motor-compressor and branch-circuit overload protection. Application and selection [440.52] is broken down into protection of the motor-compressor ...

Bob is a service technician who is well trained and nationally certified. However, he sometimes suffers from the same confusion that all technicians occasionally do - the facts that he gathers may or ...

Motors for air conditioning and refrigeration equipment are special-purpose motors called “hermetic,” meaning they’re sealed. They’re sealed because they’re in the same housing as the compressor and ...