Diagnoses, installs, tests, repairs and maintains electrical equipment associated with pumps, emergency power generators, high voltage switching, distribution equipment, air compressors, variable frequency drives, circuits, motors, fans, air conditioners, refrigerant systems, boilers and motor controls up to 4,160 volts and program programmable logic controllers. Applies principles and practices of National Electrical Code (NEC), National Fire Protection Association (NFPA), Occupational Safety & Health Administration (OSHA), National Leadership and Skills Conference (NLSC), electrical tables, electrical codes, work methods, tools, operation of high voltage and emergency equipment.