The utility model relates to a single power double filament submerged-arc welding equipment electric conduction structure. The structure is characterized by comprising a conducting rod (1), a screw cap (2), an electric conduction nozzle (3) and two welding wires (4), wherein the upper part inside the conducting rod (1) is of a hollow structure, two separating holes (5) are arranged in the lower part of the conducting rod (1), stainless steel tubes (6) are respectively inserted in the two separating holes (5), and two stainless steel tubes (6) are inserted to the bottom of the conducting rod (1); and the screw cap (2) is connected with the lower end of the conducting rod (1) through threads, the upper end of the electric conduction nozzle (3) is connected with the screw cap (2) in an inserted mode, and two welding wire holes (7) are formed in the electric conduction nozzle (3). The single power double filament submerged-arc welding equipment electric conduction structure not only is convenient to manufacture, reasonable in design, and practical, greatly prolongs the service life, but also is convenient to both install and dismantle, and easy to popularize and apply.