Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electric current; Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; Electric control devices for heating and energy management; Electrical resistance heating wires and electrical controllers therefor; Power controllers for heating apparatus; Sensors for determining temperature; Sensors for the determination of temperatures, positions and distances; Temperature controllers for use or purpose; Temperature sensors; Temperature switches; Temperature switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems; Water heater controls
Electrical and Scientific Apparatus