Superior Essex is a global leader in the design, manufacture and supply of wire and cable products. Our Magnet Wire and Distribution business segment is the world’s largest producer of magnet wire, also known as winding wire. Magnet Wire is an insulated copper or aluminum conductor used by major original equipment manufacturers and distributors. Magnet wire is found in industrial motors, transformers and generators, automotive applications, electrical coils and controls, and appliances. It is also used in motor and transformer repair.