An examination table including an actuatable patient surface comprising electronic components configured to adjust said examination table, a power supply to provide power to said electronic components and an electric power receptacle mounted to said examination table. According to the invention, the plate includes an extension integral therewith, extending its upper side, i. In one exemplary embodiment, an on-board tracking system for being mounted to each locomotive of a train includes locomotive interfaces for interfacing with other systems of the particular locomotive, and a computer coupled to receive inputs from the interface, and a GPS receiver and a satellite communicator coupled to the computer.