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Date: 10/17/2025

Electrical and Electronics Repairers, Powerhouse, Substation, and Relay

Inspect, test, repair, or maintain electrical equipment in generating stations, substations, and in-service relays.

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    Work Activities

    Work Activities

    • Notify facility personnel of equipment shutdowns.
    • Schedule and supervise the construction and testing of special devices and the implementation of unique monitoring or control systems.
    • Disconnect voltage regulators, bolts, and screws, and connect replacement regulators to high-voltage lines.
    • Inspect and test equipment and circuits to identify malfunctions or defects, using wiring diagrams and testing devices such as ohmmeters, voltmeters, or ammeters.
    • Inspect and test equipment and circuits to identify malfunctions or defects, using wiring diagrams and testing devices such as ohmmeters, voltmeters, or ammeters.
    • Consult manuals, schematics, wiring diagrams, and engineering personnel to troubleshoot and solve equipment problems and to determine optimum equipment functioning.
    • Analyze test data to diagnose malfunctions, to determine performance characteristics of systems, or to evaluate effects of system modifications.
    • Repair, replace, and clean equipment and components such as circuit breakers, brushes, and commutators.
    • Maintain inventories of spare parts for all equipment, requisitioning parts as necessary.
    • Open and close switches to isolate defective relays, performing adjustments or repairs.
    • Schedule and supervise splicing or termination of cables in color-code order.
    • Run signal quality and connectivity tests for individual cables, and record results.
    • Repair, replace, and clean equipment and components such as circuit breakers, brushes, and commutators.
    • Test insulators and bushings of equipment by inducing voltage across insulation, testing current, and calculating insulation loss.
    • Prepare and maintain records detailing tests, repairs, and maintenance.
    • Prepare and maintain records detailing tests, repairs, and maintenance.
    • Run signal quality and connectivity tests for individual cables, and record results.
    • Schedule and supervise the construction and testing of special devices and the implementation of unique monitoring or control systems.
    • Schedule and supervise splicing or termination of cables in color-code order.
    • Test oil in circuit breakers and transformers for dielectric strength, refilling oil periodically.
    • Open and close switches to isolate defective relays, performing adjustments or repairs.
    • Maintain inventories of spare parts for all equipment, requisitioning parts as necessary.
    • Construct, test, maintain, and repair substation relay and control systems.
    • Construct, test, maintain, and repair substation relay and control systems.

    Skills

    • Active Learning

      Figuring out how to use new ideas or things.

    • Monitoring

      Keeping track of how well people and/or groups are doing in order to make improvements.

    • Critical Thinking

      Thinking about the pros and cons of different ways to solve a problem.

    • Social Perceptiveness

      Understanding people's reactions.

    • Installation

      Installing equipment, machines, wiring, or computer programs.

    • Repairing

      Repairing machines or systems using the right tools.

    • Operation and Control

      Using equipment or systems.

    • Time Management

      Managing your time and the time of other people.

    • Complex Problem Solving

      Noticing a problem and figuring out the best way to solve it.

    • Management of Material Resources

      Managing equipment and materials.

    • Reading Comprehension

      Reading work-related information.

    • Management of Personnel Resources

      Selecting and managing the best workers for a job.

    • Judgment and Decision Making

      Thinking about the pros and cons of different options and picking the best one.

    • Technology Design

      Making equipment and technology useful for customers.

    • Equipment Maintenance

      Planning and doing the basic maintenance on equipment.

    • Systems Evaluation

      Measuring how well a system is working and how to improve it.

    • Instructing

      Teaching people how to do something.

    • Management of Financial Resources

      Making spending decisions and keeping track of what is spent.

    • Writing

      Writing things for co-workers or customers.

    • Learning Strategies

      Using the best training or teaching strategies for learning new things.

    • Negotiation

      Bringing people together to solve differences.

    • Systems Analysis

      Figuring out how a system should work and how changes in the future will affect it.

    • Active Listening

      Listening to others, not interrupting, and asking good questions.

    • Science

      Using scientific rules and strategies to solve problems.

    • Coordination

      Changing what is done based on other people's actions.

    • Persuasion

      Talking people into changing their minds or their behavior.

    • Mathematics

      Using math to solve problems.

    • Operations Monitoring

      Watching gauges, dials, or display screens to make sure a machine is working.

    • Speaking

      Talking to others.

    • Equipment Selection

      Deciding what kind of tools and equipment are needed to do a job.

    • Quality Control Analysis

      Testing how well a product or service works.

    • Operations Analysis

      Figuring out what a product or service needs to be able to do.

    • Troubleshooting

      Figuring out what is causing equipment, machines, wiring, or computer programs to not work.

    • Programming

      Writing computer programs.

    • Service Orientation

      Looking for ways to help people.

    WorkKeys®

    Applied Math
    4
    Workplace Documents
    4
    Graphic Literacy
    4

    Abilities

    • Static Strength

      Lifting, pushing, pulling, or carrying.

    • Dynamic Strength

      Exercising for a long time without your muscles getting tired.

    • Near Vision

      Seeing details up close.

    • Written Comprehension

      Reading and understanding what is written.

    • Dynamic Flexibility

      Quickly and repeatedly bending, stretching, twisting, or reaching out with your body, arms, and/or legs.

    • Fluency of Ideas

      Coming up with lots of ideas.

    • Far Vision

      Seeing details that are far away.

    • Oral Comprehension

      Listening and understanding what people say.

    • Problem Sensitivity

      Noticing when problems happen.

    • Speech Recognition

      Recognizing spoken words.

    • Depth Perception

      Deciding which thing is closer or farther away from you, or deciding how far away it is from you.

    • Speech Clarity

      Speaking clearly.

    • Sound Localization

      Noticing the direction that a sound came from.

    • Finger Dexterity

      Putting together small parts with your fingers.

    • Category Flexibility

      Grouping things in different ways.

    • Rate Control

      Changing when and how fast you move based on how something else is moving.

    • Perceptual Speed

      Quickly comparing groups of letters, numbers, pictures, or other things.

    • Control Precision

      Quickly changing the controls of a machine, car, truck or boat.

    • Reaction Time

      Quickly moving your hand, finger, or foot based on a sound, light, picture or other command.

    • Wrist-Finger Speed

      Making fast, simple, repeated movements of your fingers, hands, and wrists.

    • Extent Flexibility

      Bending, stretching, twisting, or reaching with your body, arms, and/or legs.

    • Night Vision

      Seeing at night or under low light.

    • Written Expression

      Communicating by writing.

    • Speed of Limb Movement

      Quickly moving your arms and legs.

    • Originality

      Creating new and original ideas.

    • Glare Sensitivity

      Seeing something even if there is a glare or very bright light.

    • Hearing Sensitivity

      Telling the difference between sounds.

    • Auditory Attention

      Paying attention to one sound while there are other distracting sounds.

    • Number Facility

      Adding, subtracting, multiplying, or dividing.

    • Flexibility of Closure

      Seeing hidden patterns.

    • Explosive Strength

      Jumping, sprinting, or throwing something.

    • Gross Body Equilibrium

      Keeping your balance or staying upright.

    • Deductive Reasoning

      Using rules to solve problems.

    • Multilimb Coordination

      Using your arms and/or legs together while sitting, standing, or lying down.

    • Inductive Reasoning

      Making general rules or coming up with answers from lots of detailed information.

    • Arm-Hand Steadiness

      Keeping your arm or hand steady.

    • Visualization

      Imagining how something will look after it is moved around or changed.

    • Response Orientation

      Quickly deciding if you should move your hand, foot, or other body part.

    • Gross Body Coordination

      Moving your arms, legs, and mid-section together while your whole body is moving.

    • Stamina

      Exercising for a long time without getting out of breath.

    • Visual Color Discrimination

      Noticing the difference between colors, including shades and brightness.

    • Peripheral Vision

      Seeing something to your side when your are looking ahead.

    • Memorization

      Remembering words, numbers, pictures, or steps.

    • Mathematical Reasoning

      Choosing the right type of math to solve a problem.

    • Selective Attention

      Paying attention to something without being distracted.

    • Speed of Closure

      Quickly knowing what you are looking at.

    • Manual Dexterity

      Holding or moving items with your hands.

    • Spatial Orientation

      Knowing where things are around you.

    • Trunk Strength

      Using your lower back and stomach.

    • Oral Expression

      Communicating by speaking.

    • Information Ordering

      Ordering or arranging things.

    • Time Sharing

      Doing two or more things at the same time.

    Knowledge

    • Transportation

      Knowledge of principles and methods for moving people or goods by air, rail, sea, or road, including the relative costs and benefits.

    • Foreign Language

      Knowledge of the structure and content of a foreign (non-English) language including the meaning and spelling of words, rules of composition and grammar, and pronunciation.

    • Philosophy and Theology

      Knowledge of different philosophical systems and religions. This includes their basic principles, values, ethics, ways of thinking, customs, practices, and their impact on human culture.

    • Personnel and Human Resources

      Knowledge of principles and procedures for personnel recruitment, selection, training, compensation and benefits, labor relations and negotiation, and personnel information systems.

    • Customer and Personal Service

      Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction.

    • Chemistry

      Knowledge of the chemical composition, structure, and properties of substances and of the chemical processes and transformations that they undergo. This includes uses of chemicals and their interactions, danger signs, production techniques, and disposal methods.

    • Medicine and Dentistry

      Knowledge of the information and techniques needed to diagnose and treat human injuries, diseases, and deformities. This includes symptoms, treatment alternatives, drug properties and interactions, and preventive health-care measures.

    • Mathematics

      Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.

    • Telecommunications

      Knowledge of transmission, broadcasting, switching, control, and operation of telecommunications systems.

    • Communications and Media

      Knowledge of media production, communication, and dissemination techniques and methods. This includes alternative ways to inform and entertain via written, oral, and visual media.

    • English Language

      Knowledge of the structure and content of the English language including the meaning and spelling of words, and rules of composition and grammar.

    • Computers and Electronics

      Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming.

    • Therapy and Counseling

      Knowledge of principles, methods, and procedures for diagnosis, treatment, and rehabilitation of physical and mental dysfunctions, and for career counseling and guidance.

    • Public Safety and Security

      Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions.

    • History and Archeology

      Knowledge of historical events and their causes, indicators, and effects on civilizations and cultures.

    • Geography

      Knowledge of principles and methods for describing the features of land, sea, and air masses, including their physical characteristics, locations, interrelationships, and distribution of plant, animal, and human life.

    • Administration and Management

      Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources.

    • Mechanical

      Knowledge of machines and tools, including their designs, uses, repair, and maintenance.

    • Biology

      Knowledge of plant and animal organisms, their tissues, cells, functions, interdependencies, and interactions with each other and the environment.

    • Building and Construction

      Knowledge of materials, methods, and the tools involved in the construction or repair of houses, buildings, or other structures such as highways and roads.

    • Economics and Accounting

      Knowledge of economic and accounting principles and practices, the financial markets, banking, and the analysis and reporting of financial data.

    • Fine Arts

      Knowledge of the theory and techniques required to compose, produce, and perform works of music, dance, visual arts, drama, and sculpture.

    • Education and Training

      Knowledge of principles and methods for curriculum and training design, teaching and instruction for individuals and groups, and the measurement of training effects.

    • Law and Government

      Knowledge of laws, legal codes, court procedures, precedents, government regulations, executive orders, agency rules, and the democratic political process.

    • Sales and Marketing

      Knowledge of principles and methods for showing, promoting, and selling products or services. This includes marketing strategy and tactics, product demonstration, sales techniques, and sales control systems.

    • Design

      Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.

    • Production and Processing

      Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.

    • Engineering and Technology

      Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services.

    • Food Production

      Knowledge of techniques and equipment for planting, growing, and harvesting food products (both plant and animal) for consumption, including storage/handling techniques.

    • Administrative

      Knowledge of administrative and office procedures and systems such as word processing, managing files and records, stenography and transcription, designing forms, and workplace terminology.

    • Physics

      Knowledge and prediction of physical principles, laws, their interrelationships, and applications to understanding fluid, material, and atmospheric dynamics, and mechanical, electrical, atomic and sub-atomic structures and processes.

    • Psychology

      Knowledge of human behavior and performance; individual differences in ability, personality, and interests; learning and motivation; psychological research methods; and the assessment and treatment of behavioral and affective disorders.

    • Sociology and Anthropology

      Knowledge of group behavior and dynamics, societal trends and influences, human migrations, ethnicity, cultures, and their history and origins.

    Career Video

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    Pay

    • Ohio Annual Salary 101020/yr
    • Typical Salary
    • Ohio Hourly Wage 48.57/hr
    • Typical Hourly Wage

    Ohio Employment Trends

    • Currently Employed 490
    • Yearly Projected Openings 40

    Typical Education

    Personality

    Realistic: People interested in this work like activities that include practical, hands-on problems and solutions.They do well at jobs that need:
    • Attention to Detail
    • Analytical Thinking
    • Cooperation
    • Dependability
    • Integrity
    • Adaptability/Flexibility

    Tools

    • Adjustable wrenches
    • Alternating current AC arc welder
    • Ammeters
    • Bench drilling machine
    • Bench vises
    • Calipers
    • Claw hammer
    • Cold chisels
    • Die stocks
    • Drill bit set
    • Electronics pliers
    • Fire extinguishers
    • Gas welding or brazing or cutting apparatus
    • Hacksaw
    • Insulation resistance meters
    • Jigsaw
    • Ladders
    • Locking pliers
    • Manlift or personnel lift
    • Metal shearing machine
    • Micrometers
    • Multimeters
    • Ohmmeters
    • Oscilloscopes
    • Phasemeters
    • Portable data input terminals
    • Power drills
    • Power grinders
    • Power riveter
    • Power saws
    • Precision file
    • Pullers
    • Punches or nail sets or drifts
    • Radiation detectors
    • Ratchets
    • Reamer
    • Relay tester
    • Saws
    • Screwdrivers
    • Sockets
    • Soldering iron
    • Spanner wrenches
    • T handle tap wrenches
    • Thermal imager
    • Threading taps
    • Tinners snips
    • Voltage and current meter calibrator
    • Voltage or current meters

    Technology

    • Analytical or scientific software
    • Compliance software
    • Computer aided design CAD software
    • Electronic mail software
    • Industrial control software
    • Internet browser software
    • Office suite software
    • Operating system software
    • Spreadsheet software
    • Word processing software

    Tags

    • InDemand occupations are considered a priority by the state of Ohio.
    • Apprenticeships are available for this occupation. These programs can help you get hands-on experience and build your skills.

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