Zodiac Electronic & Scientific Corporation offers Potentiometer with Four Wires. Zodiac Electronic & Scientific Corporation also manufactures various types of Electronic Instruments and Physics Instruments. The Potentiometer with Four Wires, Model ZES 281, is mounted on a polished wooden base. The Four Wires of the Potentiometer are connected in series to give effective length of 4 meter with plated brass strips and box wood rule graduated 0-100 cm. X 1 mm. This Potentiometer is provided with two terminals.