The ends of the coil wire attach to electrodes, which are made from a high-current electrical plug. The electrodes are mounted at the ends of a pair of hinged arms. The weld is made when the two ...

but this is the only welder he has access to. So he taped some wood shielding over the coils and fired it up. The current limiter itself is built from a third MOT. Adjustment is made to the cores ...