This part of NB/T 20421 specifies the requirements for condition monitoring of safety-important cables in nuclear power plants using indentation modulus, including sample selection, measurement system, measurement conditions, and measurement result reporting. This section applies to safety-important cables for nuclear power plants constructed of organic or polymeric materials, and also applies to other equipment containing organic or polymeric materials.
NB/T 20421.2-2017 history
2017NB/T 20421.2-2017 The condition monitoring methods of cable important to safety in nuclear power plants.Part 2:Indenter modulus