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 ...

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 used for refrigeration equipment (including air conditioning systems) are hermetic. When we say “hermetic,” what do we mean? It’s a motor that’s sealed from the outside. In the case of ...