A Class FE (Full Entertainment) FSR certificate of qualification entitles the holder to perform temporary installation, maintenance, operation and testing of – feeders, branch circuits, and electrical equipment, used for the production of: trade shows, exhibits, displays, festivals, conventions, stage, theatre, carnivals, travelling shows, movie, and television locations, and film or video productions or similar venues, to a maximum of 400 amps, 750 volts, 3 phase power; and connect temporary power to an existing permanent installation.