Answer: Drive it at an angle not exceeding 45 degrees from vertical. If rock is still encountered at an angle up to 45 degrees, the rod can be laid horizontally in a trench at least 30 inches deep.

To reduce the chance of electrical shock and fires, service panels need to be grounded. Proper grounding directs unwanted electrical current from the home into the ground. Installing a grounding rod ...

(1) Below permanent moisture level. If practicable, pipe electrodes must be embedded below the permanent moisture level and be free from nonconductive coatings such as paint or enamel. Exception: A ...

Scott Christensen is one of many engineers who wrote about enjoying John Huntley’s pictorial on installing ground rods (Workbench, Aug. 11). However, Scott adds that driving ground rods using any kind ...