give short note on earthing
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Answer:
The process of transferring the immediate discharge of the electrical energy directly to the earth by the help of the low resistance wire is known as the electrical earthing. ... Mostly, the galvanised iron is used for the earthing. The earthing provides the simple path to the leakage current.Earthing, also known as grounding, is based on research that demonstrate that connecting to Earth's electrical energy promotes physical wellbeing. The act of Earthing refers to a physical connection between the electrical frequencies of the human body with that of Earth's (think barefoot in the grass, or at the beach).BS 7671 lists five types of earthing system: TN-S, TN-C-S, TT, TN-C, and IT. T = Earth (from the French word Terre) N = Neutral S = Separate C = Combined I = Isolated
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