Actuators (electric switches); Electrical actuators; Apparatus and instruments for controlling electricity; Apparatus and instruments for regulating electricity; Apparatus and instruments for switching electricity; Apparatus for the supply of electricity; Control apparatus for computers; Electrical converters; Electricity conductors; Electricity distribution apparatus; Electricity distribution instruments; Electronic control apparatus; Electronic controllers; Electronic sensors; Heat sensors; Light control apparatus; Light sensors; Measurement apparatus; Regulating apparatus, electric; Sensor apparatus, other than for medical use; Signalling apparatus; Teaching apparatus; Temperature control apparatus (electric switches); Temperature control apparatus (thermostats); Testing apparatus not for medical purposes; Thermal controls; Thermostats; Transformers (electricity)