Mechanically copper claded grounding rod is made
when electrolytic grade 99.9% copper tube with
wall thickness of 0.25 (250 microns) is claded
to a low carbon steel rod. Even if the rod is bent by 450,
the copper tube should not peel out of the steel rod.
*UL listed Rods are minimum ½” Dia. & 2400 mm in length