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4ft Copper Grounding Rod - 3/8 Diameter - Includes Ground Rod Clamp - Great for Electric Fences, Antennas, Satellite Dishes, and Other Grounding and

The 2 Most Important Factors to Weigh When Selecting Ground Rod Material

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Experimental Evaluation of the Corrosion Performance of Copper-Bonded and Galvanized Grounding Electrodes – IAEI Magazine

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The Difference Between Copper-Bonded And Galvanized UL-Listed Ground Rods