2-1 Rev: APowerChapter 2Installing the Earth GroundAn earth ground refers to the grounding rod and accompanying equipment ground which need to be installedto safeguard against potential electrical shock and damage to personnel and equipment.The potential for lightning discharge exists with all gates, fences and gate operators.National Electric Code (NEC) requires a separate earth ground in addition to therequired equipment ground.Wallace Perimeter Security recommends grounding the operator with a separate earth ground rod to shieldthe operator against electromagnetism and other electrical signals that may cause erratic operation with ordamage to the Smart DC Controller.NOTEIf you do not ground the operator with a separate earth ground rod, you risk voiding the LimitedWarranty.For earth grounding requirements, refer to the National Fire Protection Association (NFPA) 780 - Standardfor the Installation of Lightning Protection Systems. Highlights of the standard include.• The ground rod is solid copper rod: minimum requirements 5/8” (16mm) diameter and 10 ft.(3m) in length.• The ground rod is driven into the earth (refer to local codes for depth requirements).• The ground rod is electrically bonded to the chassis with a single length of un-splices 6AWGcopper wire less than 3 ft. (91cm) in length.• Local jurisdictions may impose additional requirements above the NEC and NFPA 780. Consultthe local codes and regulations regarding requirements in your area.
