![]() Usually, the area close to the foundation has enough moisture due to runoff water from downspouts. Whenever possible, ground rods should go into moist soil around your home. Some counties also allow or require a footing or foundation ground connection for new construction. Note: Most local jurisdictions and local power companies require the 2-ground rod method to pass inspection. This is usually a better option, but the rods must be at least six feet apart, according to the NEC. In very dry ground, which provides more resistance than moist soil (meaning it does not accept electricity as readily), ground rods are sometimes stacked and joined with a special clamp so they can extend deeper into the earth.Īnother option is to add a second ground rod. As a rule, ground rods must be a minimum of eight feet long and should not be cut down. ![]() Ground rods come in both 8-foot and 10-foot lengths, with 8-foot being the most common size used in residential installations. ![]() The grounding rod that connects the home grounding system into the earth is a long metal rod, usually copper bonded to steel, galvanized iron, or stainless steel. The Spruce Home Improvement Review Board.
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