BS IEC/IEEE 60780-323. Nuclear facilities. Electrical equipment important to safety. Part 323. Qualification Nuclear-electric power stations, Electric power stations, Nuclear power, Nuclear reactors, Electrical equipment, Electronic equipment & components, Safety measures, Safety devices, Nuclear safety, Qualification approval, Design, Type testing, Performance, Planning, Testing conditions, Specimen preparation, Accelerated testing, Ageing tests, Thermal testing, Corrosion tests, Vibration testing, Performance testing, Radiation hazards, Environmental testing, Seismic loading, Technical documents, Extrapolation