725.16 Ground Rods

1. Specification:

725.16 C&MS.

2. Sampling and/or Inspection Requirements:

Qualified Product List (QPL)

Only material that is approved as a Qualified Product may be used. To verify, refer to Qualified Product List (QPL) on the OMM website


. Suppliers who are interested in approval of their products should follow the requirements defined for this product on the list website.

No sample required.

Ground Rod and Ground Grid Materials shall be inspected upon receipt of shipment for dimensions, conditions, markings and plan specification. Dimensions, markings (stainless steel jacketed rods only) and weight of coating requirements may be found in the section 4 addendum. (Field)

3. Methods of Tests:

ASTM A 153 Class B-1

4. Addendum:

Dimension, Marking, Coating for Ground Rods and Ground Grids.

Ground Rods: Stainless Steel Jacketed or Galvanized

Diameter of greater 1 inch or, if not round, a perimeter of at least 3.2 inches, length of 10 ft.,

Has a driving point.

A UL label affixed to rod. (Stainless Steel only)