A power supply system operable to supply power and/or data to aircraft passenger seats that eliminates the need to extend individual cables to each seat and eliminates the need to rewire the passenger cabin when the seats are moved. The system includes a first connector housing secured to a first seat leg and a second connector housing secured to at least one of the first seat leg and the second leg. A first connector of a seat electronic subsystem is mounted to the first housing. A second connector of the seat electronic subsystem is mounted to the second housing. A conductor is operable to mate with at least one of the first connector and the second connector for conducting at least one of data and electricity to or from the seat.