Abstract: A portable welding jig consisting of a pressure plate shaped to engage a minor peripheral portion of the circumference of a conduit, lever arm members pivotally mounted on the pressure plate and having their outer ends spaced from one another and disposed above the pressure plate, flexible conduit embracing means extending between the ends of the lever arm members to embrace a conduit and drive means disposed above the pressure plate and connecting the outer ends of the lever arms for moving the lever arms towards and away from one another to cause the flexible conduit embracing means to tighten against a conduit to drive the pressure plate radially inwardly to deflect the portion of the conduit engaged by the pressure plate radially inwardly to permit spot welding of the inwardly deflected portion of the conduit with respect to a second conduit.