IEC/IEEE 62582-2:2011/AMD1:2016-Amendment 1-Nuclear power plants-Instrumentation and control important to safety-Electrical equipment condition monitoring methods-Part 2: Indenter modulus, IEC 61169-1-2:2019-Radio-frequency connectors-Part 1-2: Electrical test methods-Insertion loss, IEC 60079-25:2010-Explosive atmospheres-Part 25: Intrinsically sa