4 ft extendable earth rod forms part of a designed grounding system. Match extension rods, couplers and clamps to the installation requirements.

Before installation

• Confirm rod diameter, thread and coupling compatibility
• Select a suitable earth clamp and inspection arrangement
• Check the location for buried services before driving the rod
• Test the completed electrode against the required design values

Earthing design, installation and verification should be completed by a competent person in accordance with applicable electrical requirements.