Airports Authority of India CNS Manual Vol. V Ver. 2.0Lightning, Surge Protection and EarthingSystem for CNS Installations

Difference between IS 2309 and IEC 62305 Lightning protection StandardIN IS 2309 MATERIAL DESCRIPTION IS NOT CLEARLY DEFINEDIN IEC 62305 MATERIAL DESCRIPTION IS CLEARLY DEFINEDBOTH COVERS INSURANCE OF BUILDINGRISK FACTOR IS MINIMIZED IEC62305

NBC Lightning ArresterIEC 62561-2Edition 1.0 2012-02INTERNATIONALSTANDARDLightning protection system components (LPSC) –Part 2: Requirements for conductors and earth electrodesIEC 62561-2:2012(E)®www.TeraStandard.com--`, ````, `, ``, , , `

Should the Earthing and grounding System of PLC or Communication Rooms in High Voltage / Transmission Substations be electrically seperated from other parts of the Substation? Please reference the standards.We see in your original question that you