This standard specifies the nuclear safety level, grading methods and requirements of nuclear power plant instrumentation and control systems and their power supply equipment. This standard applies to nuclear power plant instrumentation and control systems and their power supply equipment (hereinafter referred to as instrumentation and its power supply equipment).
GB/T 15474-1995 history
2010GB/T 15474-2010 Classification on instrumentation and control function important to safety for nuclear power plants
1995GB/T 15474-1995 Safety classification of instrumentation and control systems and their electrical equipment of nuclear power plants