The Honeywell 381 Series 389N100K is a robust, 1-watt conductive plastic potentiometer designed for manual control applications. Its conductive plastic element, metal housing, and nickel-plated brass shaft provide durability and reliability. Common uses include welding and heating controls, telecommunications equipment, and other industrial applications requiring precise resistance adjustment. The potentiometer features a linear taper and solder lug terminals for straightforward integration.