This occupation covers determining work operation sequences, making necessary layouts, and wiring and assembling complex aircraft electrical, radio, instrument, and control panels, consoles, and junction boxes during early production and installation stages and incorporating subsequent design changes therein, and servicing, overhauling, and functional-testing aircraft starter-generators, motors, inverters, and other controlling-actuating electrical and electro-mechanical power units and accessories. This occupation requires fabrication, installing or modifying aircraft electrical and electronics wiring systems, fiber optic cables and equipment installations during early production operations and to incorporate subsequent design changes, including making continuity checks of complete electrical and electronics wiring systems.