The OHMITE REE100 is a wirewound rheostat, a type of variable resistor used for controlling electrical power. These rheostats are commonly employed in industrial equipment, motor speed control, and audio volume adjustments. The REE100 model features a robust design, enclosed construction, and a wide range of resistance values, making it suitable for demanding applications. Dimensions are for reference only; consult the factory for detailed specifications. Models H, J, K, L, and N are UL and CSA listed.