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Cadweld for Contractors

nVent ERICO Cadweld, invented in 1938 and patented in 1939, remains the industry standard for exothermic welding systems.

Cadweld Catalog

Download our nVent ERICO Cadweld Welded Electrical Connections for quick reference of mold configurations, weld metal, tools, accessories and more.


Cadweld 101 

  • With basic safety equipment and simple installation steps, Cadweld connections are easy to make, over and over again.
  • Learn the tips, tricks and installation instructions to learn the Cadweld process for perfect connections, every time.

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Select a Mold 

  • nVent ERICO Cadweld comes in all different configurations or custom for your application. Chances are you only need one of the most common mold configurations.
  • Check out our online selection tool that makes it easy to select the right mold for your application.

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Instructional Videos and Demos 

  • Following a few simple steps makes installing Cadweld is easy and repeatable for all connection configurations.
  • Sign up for online trainings, watch our videos or ask the experts

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Want to receive on-site training for Cadweld?

Get your project team hands-on experience by requesting on-site training from Cadweld experts.
Trainees receive a hard hat decal and training card.