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Earthing Arrangements - Coggle Diagram
Earthing Arrangements
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Earthing Procedure
The metallic frame of every heavy power equipment should be earthed by two independent earth conductors.
Fabricated steel transmission line towers, tubular steel or rail posts which carry overhead conductors, Which carry OH lines must be earthed.
In addition, independent earths should be provided at least 4 per mile and the steel structure and the earth wire connected to it solidly.
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It should not be more than one ohm from any point on the system to the earth electrode provided for installation.
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