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Date: 10/06/2025

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

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

    Skills

    • Troubleshooting

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

    • Management of Personnel Resources

      Selecting and managing the best workers for a job.

    • Reading Comprehension

      Reading work-related information.

    • Speaking

      Talking to others.

    • Writing

      Writing things for co-workers or customers.

    • Critical Thinking

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

    • Judgment and Decision Making

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

    • Equipment Selection

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

    • Time Management

      Managing your time and the time of other people.

    • Quality Control Analysis

      Testing how well a product or service works.

    • Science

      Using scientific rules and strategies to solve problems.

    • Persuasion

      Talking people into changing their minds or their behavior.

    • Instructing

      Teaching people how to do something.

    • Monitoring

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

    • Negotiation

      Bringing people together to solve differences.

    • Installation

      Installing equipment, machines, wiring, or computer programs.

    • Operation and Control

      Using equipment or systems.

    • Operations Analysis

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

    • Coordination

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

    • Social Perceptiveness

      Understanding people's reactions.

    • Mathematics

      Using math to solve problems.

    • Learning Strategies

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

    • Service Orientation

      Looking for ways to help people.

    • Active Learning

      Figuring out how to use new ideas or things.

    • Operations Monitoring

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

    • Complex Problem Solving

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

    • Equipment Maintenance

      Planning and doing the basic maintenance on equipment.

    • Technology Design

      Making equipment and technology useful for customers.

    • Programming

      Writing computer programs.

    • Systems Analysis

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

    • Management of Material Resources

      Managing equipment and materials.

    • Repairing

      Repairing machines or systems using the right tools.

    • Management of Financial Resources

      Making spending decisions and keeping track of what is spent.

    • Systems Evaluation

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

    • Active Listening

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

    WorkKeys®

    Applied Math
    4
    Workplace Documents
    4
    Graphic Literacy
    4

    Abilities

    • Written Comprehension

      Reading and understanding what is written.

    • Oral Comprehension

      Listening and understanding what people say.

    • Speed of Closure

      Quickly knowing what you are looking at.

    • Category Flexibility

      Grouping things in different ways.

    • Visualization

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

    • Mathematical Reasoning

      Choosing the right type of math to solve a problem.

    • Selective Attention

      Paying attention to something without being distracted.

    • Stamina

      Exercising for a long time without getting out of breath.

    • Dynamic Strength

      Exercising for a long time without your muscles getting tired.

    • Far Vision

      Seeing details that are far away.

    • Extent Flexibility

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

    • Peripheral Vision

      Seeing something to your side when your are looking ahead.

    • Trunk Strength

      Using your lower back and stomach.

    • Speech Recognition

      Recognizing spoken words.

    • Gross Body Coordination

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

    • Glare Sensitivity

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

    • Depth Perception

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

    • Wrist-Finger Speed

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

    • Response Orientation

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

    • Visual Color Discrimination

      Noticing the difference between colors, including shades and brightness.

    • Spatial Orientation

      Knowing where things are around you.

    • Flexibility of Closure

      Seeing hidden patterns.

    • Memorization

      Remembering words, numbers, pictures, or steps.

    • Written Expression

      Communicating by writing.

    • Perceptual Speed

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

    • Rate Control

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

    • Multilimb Coordination

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

    • Reaction Time

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

    • Explosive Strength

      Jumping, sprinting, or throwing something.

    • Near Vision

      Seeing details up close.

    • Sound Localization

      Noticing the direction that a sound came from.

    • Static Strength

      Lifting, pushing, pulling, or carrying.

    • Number Facility

      Adding, subtracting, multiplying, or dividing.

    • Oral Expression

      Communicating by speaking.

    • Information Ordering

      Ordering or arranging things.

    • Deductive Reasoning

      Using rules to solve problems.

    • Inductive Reasoning

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

    • Fluency of Ideas

      Coming up with lots of ideas.

    • Problem Sensitivity

      Noticing when problems happen.

    • Arm-Hand Steadiness

      Keeping your arm or hand steady.

    • Time Sharing

      Doing two or more things at the same time.

    • Manual Dexterity

      Holding or moving items with your hands.

    • Finger Dexterity

      Putting together small parts with your fingers.

    • Night Vision

      Seeing at night or under low light.

    • Speech Clarity

      Speaking clearly.

    • Speed of Limb Movement

      Quickly moving your arms and legs.

    • Auditory Attention

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

    • Hearing Sensitivity

      Telling the difference between sounds.

    • Originality

      Creating new and original ideas.

    • Control Precision

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

    • Gross Body Equilibrium

      Keeping your balance or staying upright.

    • Dynamic Flexibility

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

    Knowledge

    • 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.

    • 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.

    • 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.

    • 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.

    • Production and Processing

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

    • Mathematics

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

    • 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.

    • Design

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

    • 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.

    • Food Production

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

    • 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.

    • 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.

    • 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.

    • 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.

    • Transportation

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

    • Biology

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

    • Computers and Electronics

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

    • Mechanical

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

    • 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.

    • 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.

    • Sociology and Anthropology

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

    • Economics and Accounting

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

    • 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.

    • Telecommunications

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

    • English Language

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

    • 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.

    • 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.

    • 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.

    • History and Archeology

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

    • Fine Arts

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

    • Law and Government

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

    • 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.

    • 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.

    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.
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