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Copper-Bonded Ground Rod, Sectional



  • Cold-rolled threads with continuous, unbroken grain flows preserve copper coating and are stronger than cut threads
  • 99.9% pure electrolytic copper coating
  • Molecular bond to nickel-sealed high strength steel core
  • Rods have a high carbon steel core and tip that provide superior strength when driving
  • Copper coating will not crack when bent or tear when driven
  • Minimum copper coating of 10 mils on rods listed to UL® 467
  • ERICO name, length, diameter and part number is roll-stamped within 12" (304,8 mm) of chamfered end
  • UL logo and control number where applicable stamped on each rod for easy inspection after installation


Part Number 631380
Material Copper-Bonded Steel
Tensile Strength 80,000 psi Min
Thread Location Pointed and Chamfered Ends
Ground Rod Diameter, Nominal 1/2"
Ground Rod Diameter, Actual (Ø) 0.504"
Thread Size (TS) 9/16 UNC
Length (L) 8'
Plating Thickness 10 mil
Unit Weight 5.4 lb
Complies With ANSI®/NEMA® GR1
Certifications UL
Standard Packaging Quantity 5 pc
UPC 78285630629
EAN-13 0782856306290
For rods to be listed to UL® 467, they must be at least 8' (2.43 m) in length.
IEC® EN 62561-2 supercedes EN 50164-2.

Pentair, CADDY, CADWELD, CRITEC, ERICO, ERIFLEX, ERITECH and LENTON are owned by Pentair or its global affiliates. All other trademarks are the property of their respective owners. Pentair reserves the right to change specifications without prior notice.

ANSI is a registered trademark of American National Standards Institute.
IEC is a registered trademark of the International Electrotechnical Commission.
NEMA is a registered service mark of National Electrical Manufacturers Association.
UL, UR, cUL, cUR, cULus and cURus are registered certification marks of UL LLC.