NB/T 20090-2012 Requirements for preoperational tests of class 1E power systems in nuclear power plants

EJ 519-1990 Guidelines for the preparation of a test program for the safety-critical power system of a nuclear power plant before operation

EJ/T 625-2004 Criteria for Diesel Generator Sets for Back-up Power Supply in Nuclear Power Plants GB/T 12788-2000 Criteria for class 1E power systems for nuclear power plants GB/T 12788-2008 Criteria for class 1E power systems for nuclear power generating stations GB/T 12788-2021 Criteria for class 1E power systems for nuclear power plants GB/T 13177-2000 Standard for preferred power supply for nuclear power plants GB/T 13177-2008 Preferred power supply for nuclear power plants GB/T 14546-1993 Criteria for the design of safety-related DC auxiliary power systems for nuclear power plants GB/T 14546-2008 Recommended practice for the design of DC auxiliary power system for nuclear power stations NB/T 20028.4-2010 Nuclear power plant battery - Part 4: Maintenance, testing and replacement methods NB/T 20053-2011 Installation requirements for safety-critical electrical, instrumentation, and control equipment at nuclear power plants NB/T 20089-2012 Nuclear power plant safety-level electrical power system and equipment protection guidelines GB/T 14546-2025 Practice for the design of DC auxiliary power system for nuclear power plants