Considerable knowledge of: practices, methods, tools, equipment and materials used in the inspection, calibration and repair of electrical and mechanical instruments; occupational hazards and necessary safety precautions required in the operation and repair of waste to energy plant electrical instrumentation equipment; instruments used to measure and control variables such as pressure, flow temperature, motion, and force; National Electrical Code, state, federal, and local electrical codes and environmental regulations pertaining to instrumentation; power generation, distribution, metering, and protective relaying for high voltage systems. Graduation from an accredited high school or vocational school and two (2)years of experience in the maintenance and repair of electrical instrumentation and distributive control equipment, such as hydraulic/pneumatic systems, steam turbine, turbine generator, air dampers, and related control devices; or an equivalent combination of training and experience.