The OHMITE RHS15K is a wirewound rheostat, a type of variable resistor commonly used in industrial control systems, laboratory equipment, and audio applications. These rheostats provide precise resistance adjustment and are known for their durability and ability to handle high power dissipation. The RHS15K is subject to mechanical wear and has a finite life, and is available in various configurations to meet specific application requirements. Models H, J, K, L, and N are listed under UL File No. E-10946 and CSA File No. 21309.