Electric connectors; Electrical and electronic connectors; Electronic components in the nature of connectors; Fiber optic connectors; Electrical terminal blocks; Electrical power connectors; Host bus adapters; Wire connectors; Electrical plugs; Electrical sockets; Plug connectors; Plug-in connectors; Connections, electric; Switches, electric; Cables, electric; Electrical wires; Electric cables, wires, conductors and connection fittings therefor; Coaxial cables; Couplings, electric