9 Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrical conductors, electric switches; lasers, not for medical purposes; light emitting diodes (LED); laser diodes, especially high performance laser diodes, semiconductor-power laser diodes; semiconductor devices, optical cables, optocouplers, sensor, namely, optical sensors, movement, contact, sound, ultrasound, microwave, light, infrared, color, temperature and liquid sensors, capacitive sensors, sensors, namely, optical, movement, contact, sound, ultrasound, microwave, light, infrared, color, temperature, liquid and capacitance sensors for use in the field of medical technology, in particular for use in the field of health monitoring; light emitting diode (LED) displays; electric and electronic installations, devices and apparatus for operating, regulating and control of LED lighting installations