There is a large body of publications regarding uses of cast iron. But very few of them are concerned with the use of cast iron in refrigeration equipment, and even less with the behavior of such ...

Art. 440, Part I provides the NEC general requirements for air-conditioning and refrigerating equipment. This article has an unusual aspect to it, compared to other NEC articles — it’s essentially a ...

A cotton picker is a complex piece of agricultural equipment made up of hundreds of components that must work together precisely. When one part wears out or fails, finding the correct replacement ...

Art. 440, Part 2 provides the requirements for the disconnecting means of the hermetic motors used in HVAC and refrigeration equipment. These disconnects are often accessible to unqualified persons, ...