Substation1
Dictionary of Electrical Engineering

Commonly used terms in the Electrical industry.

feeder
overhead lines or cables that are used to distribute the load to the customers. They interconnect the distribution substations with the loads.
feeder circuit
an electrical circuit designed to deliver power from the service equipment or separately derived system to the branch circuit panelboard(s) on a facility. For large systems, there may be more than one level of feeder circuits. See also branch circuit.