Fault analysis of hardwire relay logic, motor control circuits, motor power circuits (120V to 480V 3phase) and common utility / lighting circuits; fault analysis of PLC based systems with control logic modification if requiredInstallation of new control circuits, modification of existing instrument/electrical systems as requested, to include design, load and Implementation of new control logic;Replaces or repairs defective parts, using hand tools. Installs, repairs, maintains, and adjusts indicating, recording, telemetering, controlling instruments and test equipment, used to control and measure variables, such as pressure, flow, temperature, motion, force, and chemical composition, using precision instruments, and hand tools.