9 cable jacks, electrical sockets, electric connectors, circuit closers, electricity switch boxes, fiber optic adapters, fiber optic connectors, fiber optic termination boxes, fiber optic pigtails, identification threads for electric wires, electric locks, temperature indicators, monitors for measuring electricity, monitors for measuring electrical frequency, computer interfaces, coaxial cables, fibre optic cables, electric cables, electricity wire connectors, push buttons for bells, electricity conduits, electricity branch boxes, electricity distribution boxes, electricity connectors, electricity junction boxes, covers for electric outlets, metal detectors, electrical current detectors, microscopes, electricity terminals, junction sleeves for electric cables and connectors, sheaths for electric cables, identification sheaths for electric wires, electric switches, converters, cable testers, cable analyzers, tape measures, digital ultrasonic tape measures, digital ultrasonic range finders, telegraph wires, telephone wires, electric wires, electric conductors, insulated copper wire, electricity distribution consoles, electricity control panels, voltage surge protectors, electric relays, light conducting filaments, namely, optical fibers, connectors for electric lines, electric connectors, thermostats, switchboards, electricity distribution boards, electricity ducts