Adapter plugs; Converters for electric plugs; Electrical plugs; Electrical plugs and sockets; Electrical sockets; LAN (local area network) hardware; Plug-in connectors; Plug adaptors; Plug connectors; Power strips with moveable sockets; Round plug connectors; Wireless controllers to remotely monitor and control the function and status of other electrical, electronic, and mechanical devices or systems, namely, remote metering systems, gas and liquid cylinders, vehicle tracking devices, energy ...