Western Electrical Contractors Association, Inc.

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Around HQ This Week: Instructor John Arias Demonstrates Exothermic Welding

Thursday, August 15, 2019

WECA instructor John Arias demonstrates exothermic welding for the cameras during filming of an educational demo this week. Exothermic welding is the permanent joining of two metals by an exothermic reaction that is not susceptible to loose connections, corrosion or other problems associated with mechanical connections. Exothermic welding is utilized in the commercial sector for attaching to the grounding electrode and building steel among other things, and the low voltage sector for attachment to the telecommunication bonding infrastructure.