What is 1E standard?
United States Class 1E: “The safety classification of the electrical equipment and systems that are essential to emergency reactor shutdown.
What does class 1E mean?
The term “Class 1E” is a special term that describes safety-related electrical equipment. It is redundant to call electrical equipment both Class 1E and safety-related. Emergency diesel generators are Class 1E equipment.
What is IEEE 323?
IEEE 323 : Qualifying Class 1E Equipment for Nuclear Power Generating Stations.