Are there any new standard requirements stating that the specifications for horizontal grounding flat steel should be no less than 50×5?

2025-12-19View Original

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In the past, galvanized flat steel of size -40×4 was used for artificial horizontal grounding wires in oil and gas stations. I’ve seen many design documents showing that 50×5 galvanized flat steel is used for outdoor horizontal grounding wires. A few days ago, some construction contractors also mentioned that there are new standard requirements (though they couldn’t specify which regulation it is); they are now using 50×5 galvanized flat steel for their grounding wires. I would like to ask everyone what specifications of material are being used for designing grounding grids these days, and whether there really are new requirements stating that the flat steel must be at least 50×5 in size

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Are there any new standard requirements stating that the specifications for horizontal grounding flat steel should be no less than 50×5?

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