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Hydroelectric Plant Electrician I (6455)

Hydroelectric Plant Electrician I

California State Personnel Board Specification

  • Schematic Code: PL60
  • Class Code: 6455
  • Established: 02/17/1966
  • Revised: 12/07/1972
  • Title Changed: 04/24/1974


Under direction, to install, repair, and maintain electrical equipment in hydroelectric generating or pumping plants; and to do other related work.

Typical Tasks

Installs, repairs, and maintains wiring circuits for electrical equipment, motors, and control devices; disassembles, repairs and reassembles, motors, generators, large transformers, oil circuit breakers, disconnect switches, voltage regulators, power switchboards, and other electrical equipment; performs electrical troubleshooting and diagnoses trouble under emergency conditions; installs conduit, pulls wire, and does control board wiring; instructs and leads unskilled assistants; tests and services storage batteries.

Minimum Qualifications

Either I


Completion of a recognized apprenticeship as a hydroelectric plant electrician. (Apprentices who are within six months of completion of their apprenticeship may be admitted to the examination, but they must present evidence of completion of their apprenticeship before they may be appointed.)



One year of journeyperson experience performing electrical maintenance and repair work on the heavy equipment used in electrical generating or pumping plants.

Knowledge and Abilities

Knowledge of: Methods, materials, tools, and equipment used in the installation, maintenance, repair, and replacement of high voltage electrical equipment including large generators, transformers, motors, voltage regulators and circuit breakers; purpose and operation of equipment used in protective and control circuits; National Electric Code and Electrical Safety Orders of the Division of Industrial Safety; mathematics normally required in this trade.


Ability to: Read and write English at a level required for successful job performance; diagnose, locate, and correct trouble in control and relay circuits; prepare rough sketches and cost estimates of electrical work; keep simple records and make reports; read and understand wiring diagrams and blueprints; instruct and supervise unskilled assistants.

Additional Desirable Qualification

Education equivalent to completion of the twelfth grade.

  Updated: 6/3/2012
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