Exothermic welding

Provides a Superior Solution via permanent Molecular-Bonding.  

The TerraWeld® Exothermic Welding System

Provides a Superior Solution via permanent Molecular-Bonding.  

 TerraWeld® – Features

  • Maintains current carrying capacity exceeding that of the conductors in the system
    (necessary for all lightning protection and grounding systems)
  • Only connections that will not loosen or increase resistance over the lifetime of the installation.
  • Most preferred connection method especially for belowgrade Connections.

TerraWeld® – Benefits

  • TerraWeld®’s system resistance, impedance andampacity meet all challenges and deliver assurance for your company.
  • Pressure type connections are susceptible to variation,aging, corrosion and failure—not TerraWeld®.
  • Provides higher fusing capacity than conductors to whichthey’re bonded.
  • Complies with all regulations for functionality and safety.
  • Provides performance superior to all existing surface-to surface mechanical retention connectors.


TerraWeld® is distributed internationally and meets or

exceeds the standards for the following:

  • UL 467
  • IEEE 80, 837 and 1100
  • NEC Article 250
  • IEC 62305

TerraWeld® Exothermic Welding System


  • Cable-to-cable splices, tee connection, cross run connection,parallel connections, etc.
  • Wire grid-to-ground rod, cable-to rod.steel sheets and pipes and rod-to-rod splices.
  • Tap conductor-to vertical/horizontal pipe, flat surface, or plate.
  • Through conductor-to vertical /horizontal pipe, flat surface or plate.
  • Bus bar & wire-to-rail connections.
  • Solid or stranded cable, metal tape, re-bar, and terminal lug connections.


  • Copper
  • Steel
  • Columbium
  • Bronze
  • Iron
  • Copper-clad steel
  • Stainless steel
  • Monel
  • Niobium
  • Brass
  • Silicon bronze®

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