2×2 (two foot wide as well as in length) and 1/8 inch thickness.. 2' x 2' x 1/8″. (600x600x300 mm) In case of Iron. 2′ x2′ x ¼" = 600x600x6 mm. It is recommended to bury the earth electrode in the moisture earth. If it is not possible, then put water in the GI (Galvanized Iron) pipe to .