Charge Dissipation Terminals

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Developed by ALLTEC, TerraStat® is the latest design in lightning dissipation technology.

Science and experience show that TerraStat® Charge Dissipation Terminals, and the structures on which they are installed, are much less likely to sustain a direct lightning strike than unprotected structures or structures with traditional lightning protection systems.

Designs utilizing TerraStat® Charge Dissipation Terminals (CDT) should be created to meet or exceed NFPA 780 and IEC 62305-3 standards, while providing the enhanced performance offered by CDT technology.

Whatever your requirements, ALLTEC has a product to fit the application. For those special applications, we have the capability to design and manufacture a custom system to fit your needs. TerraStat® Charge Dissipation Terminals securely contribute direct strike lightning protection to ALLTEC’s Protection Pyramid methodology for comprehensive facility protection.

How it Works

Charge Dissipation, or Charge Redistribution Technology uses the principle of point discharge to facilitate the dissipation, or the reduction, of a buildup of static electrical charges. The purpose of charge dissipation products is to reduce the accumulation of electrical charges and thereby prevent an electrical arc or an electrical current flow that can cause damage.

This technology is successfully applied to lightning protection with the development of our patented TerraStat® product line, which can be mounted on structures to reduce the accumulation of ground charge. This is accomplished by ionizing surrounding air and neutralizing accumulated charges on the earth’s surface, including the grounding system.

Click here to review ALLTEC Application Maps for a better understanding where we suggest adding ALLTEC Products to safeguard your equipment and facility.

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Charge Accumulation

A single point, such as on a lightning rod, or as occurs on a corner of a tower or structure, will reach a point of saturation to the extent that it cannot disperse charge at a fast enough rate to keep up with the charge accumulation. These areas then become the points where streamers will form, thereby attracting a lightning strike.

Charge Dissipation

When the process is intensified with the addition of thousands of specially engineered charge dissipation elements positioned to maximize corona generation, the dissipation of ions is magnified many times over that of a single point. The resulting effect is that the ground charges, which develop streamers attracting a lightning strike, no longer have sufficient electrical energy supporting them to initiate this process. Without the formation of an upward streamer, the downward stepped leaders will look for a better target. Thereby, the structure can be better protected from receiving a direct lightning strike.

TerraStat Installation Process
TerraStat Installation
TerraStat Installed
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Features & Benefits
  • Provides enhanced performance over traditional lightning protection
  • Patented Technology
  • High-grade stainless steel construction
  • Lightweight and easy to install
  • Corrosion resistant
  • Low wind loading
  • Large selection of mounting hardware
  • Independently tested
  • Meets or exceeds NFPA 780 and IEC 62305 standards
  • Is available in custom systems designed and manufactured by ALLTEC to fit your needs
  • Office buildings
  • Shelters
  • Industrial facilities
  • Homes
  • Warehouses
  • Monopoles
  • Petrochemical
  • High-mast lightning
  • Communication towers
  • Externally mounted cameras
  • Communication towers
  • Bridges
  • Petrochemical storage facilities
  • Stacks