Code Quiz: Definition of Hermetic Refrigerant Motor Compressor

A hermetic refrigerant motor compressor consists of a compressor and motor, both of which must be enclosed in _____  ______  ______, with no external shaft or shaft seals, with the motor operating in the refrigerant.

A)  the same housing

B)  suitable rigid housing

C)  metallic housing enclosure

Find the Answer

Answer: A

A hermetic refrigerant motor compressor is defined in Art. 100 of the 2014 NEC as a combination of a compressor and motor, both of which are enclosed in the same housing, with no external shaft or shaft seals, with the motor operating in the refrigerant.

Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].