Profile: Superior Electric is a manufacturer of voltage control and conditioning equipments. We are an ISO 9001 certified company. Our product line includes variable transformers, power conditioners, lighting controls, automatic voltage regulators and electrical connectors. Our powerstat variable transformers provide a simple, rugged method of controlling electrical voltage, current and power. Our light controls are used for incandescent lighting in residential, theatrical, institutional, commercial and industrial installations. Our brands include POWERSTAT«™, STABILINE«™, LUXTROL«™, SUPERCON™ and 5-WAY Binding Post™.