Historical
IEEE Std 323-2003
IEEE Standard for Qualifying Class 1E Equipment for Nuclear Power Generating Stations
Describes the basic requirements for qualifying Class 1E equipment and interfaces that are to be used in nuclear power generating stations. The principles, methods and procedures described are intended to be used for qualifying equipment, maintaining and extending qualification, and updating qualification, as required, if the equipment is modified.
Institute of Electrical and Electronics Engineers [ieee]