The OHMITE RES15RE is a wirewound rheostat, a type of variable resistor used for controlling electrical power. These devices are commonly employed in industrial applications requiring precise control of voltage or current. The RES15RE features a robust design and is suitable for a wide range of applications. Models H, J, G, K, L and N are listed under UL File No. E-10946 and CSA File No. 21309. Refer to catalog #203 for detailed specifications and ordering information.