9 Electric and electronic apparatus and instruments, in particular electronic circuit elements in the nature of circuit boards and circuit breakers, electronic switches, optical, electric and electronic sensors to prevent pinching, electric and electronic signaling apparatus, namely, digital signal processors, automatic control systems comprised of electric switches and controls for industrial automation; electric and electronic measuring, checking and monitoring apparatus, devices and instruments; electric conductors; electric cables, wires, conductors, electric stranded wires, printed circuit boards, optical fibers, optical cables, polymeric optical fibers and polymeric optical fiber cables as well as their connecting elements in the nature of connection cables and cable connectors, glass fibers and glass-fiber cables, namely, fiber optics and fiber optic cables, as well as their connecting elements in the nature of fiber optic connection cables and cable connectors, optical waveguides for high power beam delivery and their connecting elements in the nature of connection cables and cable connectors, cable sets comprised of electric cables and fiber optic cables, protective equipment for the aforesaid goods, namely, voltage surge protectors and protective sheaths for fiber optic cables