Earthing retrofitting is the process of upgrading or replacing an existing grounding system to improve safety and compliance with current standards. It is typically required when old earthing becomes ineffective due to corrosion, increased electrical load, or changes in building structure. The process includes inspecting the current system, testing earth resistance, and installing new electrodes or enhancing connections. Materials like copper-bonded rods, chemical earthing, and conductive concrete may be used. Retrofitting ensures better fault current dissipation, reduces the risk of electric shock, and protects equipment. It is vital for older buildings, ensuring reliability, safety, and adherence to updated electrical codes.
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