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 ...

My Feb. 7 column focused on ice flake machine troubleshooting. I will have more to say on that specific topic in my April 4 column. For this column, I want to take a look at amperage as it relates to ...

For safe, long-term use of a compressor, the motor winding temperature must be kept below certain limits, in all conditions in which the appliance may operate. For example, compressors from AC ...

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 ...