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Question:

Earthing flat steel and earthing main line

Earthing flat steel and earthing main line

Answer:

Grounding flat ground belongs to the material, the grounding line belongs to the grounding line, grounding flat steel used for grounding grid, the grounding line is also one of the flat ground, for connecting the grounding grid, the grounding grid extends to the metal shell of the substation ground of all electrical equipment, and the grounding grid connected together.
The flat steel is connected to the ground system, and the grounded line is connected to the protected equipment

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