Examples include ability to formulate the layout sketch of required electrical circuits, wire new test setups, install strain gauge circuits and recording instruments as needed by the test program to measure performance of test articles, check the installed system to insure that specified electrical test conditions are attained, and may troubleshoot the electrical portions of the test equipment during test programs to determine cause of malfunction. Installs and repairs electrical systems, apparatus, and electrical and electronic components of machinery and equipment, following electrical code, manuals, schematic diagrams, blueprints, and other specifications, using hand tools, power tools, and electrical and electronic test equipment.