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Earthing System

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Description

What is Earthing System?

An earthing system, also known as a grounding system, is a direct path to the ground which connected to the electrical equipment to pass the excessive safely to the ground. The grounding system also provides a path for the fault currents to flow to the ground, preventing dangerous voltages from building up on equipment. This helps protect equipment from damage and reduces the risk of electric shock to personnel. 

Key functions of an earthing system:
  • Safety:

    By providing a low-resistance path for fault currents to the ground, earthing systems reduce the risk of electric shock. 

  • Equipment protection:

    Earthing systems help protect electrical equipment from damage due to overvoltage or short-circuit conditions. 

  • Operational stability:

    Earthing systems can help maintain the proper functioning of electrical systems by equalizing potential differences and providing a reliable return path for current. 

  • Lightning protection:

    Earthing systems can help protect equipment from damage and reduce the risk of electrocution in the event of a lightning strike. 

How it works:
In an earthing system, the metal components of electrical equipment are connected to a ground electrode (e.g., a metal rod driven into the ground) through a conductive path. This creates a low-resistance path for fault currents to flow to the ground in case of a fault. This path diverts the fault current away from equipment and people, preventing dangerous voltages from building up and reducing the risk of electric shock. 

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