A secondary power distribution box (SPDB), solid state power controller (SSPC) line replacement module or printed board assembly (LRM/PBA), integrated power distribution and avionics system, and method of power distribution are disclosed. For example, the method includes receiving electrical power from a power source at a power feeder network, communicating with at least one load of a plurality of loads at least in part over the power feeder network, and coupling the electrical power to the at least one load of the plurality of loads in response to the communicating.