Examples of Duties: Electrician: Installs conduit and pulls wire for lighting and power; installs, adjusts, trouble shoots, and maintains wiring, lighting fixtures and outlets, signal systems, public address and intercommunication systems, electric motors, heating and ventilating equipment, air conditioning, conventional or solid state control apparatus for electrical installations, and associated electrical equipment; test circuits for shorts, grounds, open conditions, and proper insulation; makes electrical tests using equipment such as meggers, voltmeters, ammeters, and ohmmeters; inspects, cleans, lubricates, and replaces bearings and brushes in motors and small generators; cleans and replaces control apparatus and associated equipment on all types of electrical devices, motors, controls, panels, and switchboards; repairs portable electric tools and other small or portable electric equipment; reads and interprets wiring diagrams, plans, and sketches; keeps routine work records; may drive a truck between job locations; trouble shoots and maintains lighting, power, controls, instrumentation systems, and electronic supervisory systems; may make minor adjustments and repairs to electric elevators; and may shoot trouble on a medium- sized generating installation. Senior Electrician: In addition to the above, acts as a lead-person to one or more crews of journey- level employees and helpers; and occasionally Elevator Mechanics; prepares wiring diagrams, list of materials, and cost estimates; keeps work records, prepares reports, and requisitions materials and tools; assures that proper safety precautions are taken by subordinates; may prepare required plans and secure electrical permits; may inspect electronic equipment.