Electrical and Electronics Repairers, Powerhouse, Substation, and Relay
SOC: 49-2095.00


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

National Salary Information:

Hourly Statistics:

Annual Statistics:

Source: Bureau of Labor Statistics 2015 wage data.

Employment Projections:

Employment (2014):
22,700 employed

Projected (2024):
21,700 employed

Projected growth (2014-2024)

Source: Bureau of Labor Statistics 2015 2014-2024 employment projections external site. "Projected growth" represents the estimated change in total employment over the projections period (2014-2024). "Projected job openings" represent openings due to growth and replacement.

Alternate Titles:

  • Apparatus Lineman
  • Control Technician
  • Corrosion Control Fitter
  • Corrosion Technician
  • Electrical and Instrumentation Technician (E & I Technician)
  • Electrician
  • Gear Technician
  • Generating Station Mechanic
  • Generator Mechanic
  • Heavy Equipment Technician
  • Instrument and Control Technician (I & C Technician)
  • Instrument Mechanic
  • Instrumentation Fitter
  • Lineman
  • Meter / Relay Technician
  • Meter and Relay Craftsman
  • Motor Room Controller
  • Operations and Maintenance Technician
  • Power Maintenance Technician
  • Power Transformer Repairer
  • Powerhouse Electrician
  • Powerhouse Electrician Apprentice
  • Powerhouse Mechanic
  • Protective Relay Technician
  • Relay Engineer
  • Relay Operator
  • Relay Technician
  • Repairer, Salvager, Parts
  • Substation Electrician
  • Substation Mechanic
  • Substation Technician
  • Substation Wireman
  • Switch Gear Technician
  • Test Technician
  • Transformer Repairer
  • Wireman

  • Job Zone Three: Medium Preparation Needed


    Previous work-related skill, knowledge, or experience is required for these occupations. For example, an electrician must have completed three or four years of apprenticeship or several years of vocational training, and often must have passed a licensing exam, in order to perform the job.


    Most occupations in this zone require training in vocational schools, related on-the-job experience, or an associate's degree.

    Job Training:

    Employees in these occupations usually need one or two years of training involving both on-the-job experience and informal training with experienced workers. A recognized apprenticeship program may be associated with these occupations.

    Required Skills:

  • Reading Comprehension
  • Active Listening
  • Writing
  • Speaking
  • Mathematics
  • Science
  • Critical Thinking
  • Active Learning
  • Learning Strategies
  • Monitoring
  • Social Perceptiveness
  • Coordination
  • Persuasion
  • Negotiation
  • Instructing
  • Service Orientation
  • Complex Problem Solving
  • Operations Analysis
  • Technology Design
  • Equipment Selection
  • Programming
  • Operation Monitoring
  • Operation and Control
  • Equipment Maintenance
  • Troubleshooting
  • Repairing
  • Quality Control Analysis
  • Judgment and Decision Making
  • Systems Analysis
  • Systems Evaluation
  • Time Management
  • Management of Financial Resources
  • Management of Material Resources
  • Management of Personnel Resources

  • Knowledge Used:

  • Administration and Management
  • Clerical
  • Economics and Accounting
  • Customer and Personal Service
  • Personnel and Human Resources
  • Production and Processing
  • Computers and Electronics
  • Engineering and Technology
  • Design
  • Building and Construction
  • Mechanical
  • Mathematics
  • Physics
  • Chemistry
  • Biology
  • Psychology
  • Sociology and Anthropology
  • Geography
  • Medicine and Dentistry
  • Therapy and Counseling
  • Education and Training
  • English Language
  • Foreign Language
  • Public Safety and Security
  • Law and Government
  • Telecommunications
  • Communications and Media
  • Transportation

  • Tasks:

  • Construct, test, maintain, and repair substation relay and control systems.
  • 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.
  • Notify facility personnel of equipment shutdowns.
  • Open and close switches to isolate defective relays, performing adjustments or repairs.
  • Prepare and maintain records detailing tests, repairs, and maintenance.
  • Analyze test data to diagnose malfunctions, to determine performance characteristics of systems, or to evaluate effects of system modifications.
  • Test insulators and bushings of equipment by inducing voltage across insulation, testing current, and calculating insulation loss.
  • Repair, replace, and clean equipment and components such as circuit breakers, brushes, and commutators.
  • 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.
  • Run signal quality and connectivity tests for individual cables, and record results.
  • 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.
  • Maintain inventories of spare parts for all equipment, requisitioning parts as necessary.
  • Set forms and pour concrete footings for installation of heavy equipment.

  • Tools & Technology:

  • Adjustable hand wrenches
  • Adjustable pin spanner wrenches
  • Alternating current AC electric welders
  • Analog ohmmeters
  • Bearing pullers
  • Bench ammeters
  • Bench drills
  • Bench vises
  • Bench voltmeters
  • Clamp ammeters
  • Diagonal cutting electronics pliers
  • Digital micrometers
  • Digital multimeters
  • Digital ohmmeters
  • Digital oscilloscopes
  • Electrical fire extinguishers
  • Hand guard cold chisels
  • Handheld dataloggers
  • Handheld thermal imagers
  • Heavy duty die stocks
  • Heavy-duty hacksaws
  • Insulation resistance testers
  • Lifting platforms
  • Light emitting diode LED voltage tester
  • Multigrip pliers
  • Nailing hammers
  • Neon voltage testers
  • Oxyacetylene welders
  • Phase rotation indicators
  • Pin punches
  • Pop riveters
  • Portable electric drills
  • Portable electric grinders
  • Portable electric jigsaws
  • Portable electric saws
  • Precision file sets
  • Precision reamers
  • Radiation meters
  • Ratchet sets
  • Relay test sets
  • Series solenoid voltage testers
  • Sheet metal guillotines
  • Slot screwdrivers
  • Socket wrenches
  • Soldering guns
  • Stepladders
  • T handle tap wrenches
  • Tap sets
  • Tin snips
  • Twist drill bits
  • Universal calibrators
  • Vernier calipers
  • Vise grip pliers
  • Volt-ammeters
  • Wood saws
  • Autodesk AutoCAD software
  • Fluke Corporation FlukeView Forms
  • Megger PowerDB
  • Microsoft Excel
  • Microsoft Office software
  • Microsoft Word
  • OMICRON Test Universe
  • Web browser software

  • installation maintenance and repair

    industry stats

    SOC: 49-0000

    Total Employed: 5,374,150

    Average Annual Salary: $45,990