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Problems Welding EMT Conduit

31K views 38 replies 25 participants last post by  Mr Earl  
Do not weld EMT ... remove the galvanized coating with Citric Acid or vinegar, wire brush it, and then Braze it with flux coated rod.
You know this is an old post and two members who posted in this thread are confirmed passed to the other side. Could be others in this thread have passed. R.I.P.