UG Wiring is a subset of the UG Routing Application. You may need a separate license to access this application. The routing appication has piping,conduit, raceway, wiring and other subsets within it.
UG Wiring utilizes netlists from 2d schematic packages to facilitate wire connections and routing. It has been implemented in various forms since version 17. It is similiar to various PWB programs.
In automotive, we had an application called UG Harness previous to UG Wiring. If I can fill in any more info, please let me know.