Utility pole The standard utility pole in the United States is about 40 ft (12 m) long and is buried about 6 ft (2 m) in the ground. H However, poles can reach heights of 120 ft (37 m) or more to... There are very strict regulations surrounding how deep residential power lines must be buried. This will largely depend on the voltage of the lines. A low-voltage wire only needs to be buried about 18 inches below the ground. Wires with higher voltages, on the other hand, must be buried deeper than 2 feet below the surface. Burndy manufactures connectors for splicing, tapping, terminating, conducting or grounding, and provides certification and testing of tool and connector products Line Construction Hardware for electric utility and communications outside plant grid construction. With a history of experience and exemplary service, Hubbell Power Systems, Inc. offers the breath of products, quality, and availability required to keep jobs moving.