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Become A Relay Technician

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Working As A Relay Technician

  • Repairing and Maintaining Electronic Equipment
  • Getting Information
  • Identifying Objects, Actions, and Events
  • Monitor Processes, Materials, or Surroundings
  • Communicating with Supervisors, Peers, or Subordinates
  • Outdoors/walking/standing

  • Unpleasant/Hazardous Environment

  • $73,810

    Average Salary

What Does A Relay Technician Do At Shermco Industries

* _
* Perform installation, commissioning, testing and maintenance of protective relaying equipment, relaying schemes, DFR equipment, SCADA systems, distribution automation systems and associated communication equipment.
* Perform function testing of substation control circuits on relay panel, transformers & circuit breaker changeouts.
* Perform end-to-end relay testing using Doble ProTesT and Protection Suite software to verify carrier and fiber systems.
* Perform electro-mechanical relay testing of GE, Westinghouse, ITE, etc.
* Perform solid state relay testing of Schweitzer, GE
* UR series, Multilin,Basler, SEL, Beckwith, Circuit Shield, Arreva, Schneider, etc.
* Read and interpret control prints, writing diagrams, and relaying schematics.
* Conduct differential and distance relay testing.
* Assist in developing written standard commissioning, testing and maintenance procedures for protective relaying, DFR's, RTU's, IED's, Distribution Automation and associated communication systems.
* Manage projects onsite throughout the duration and effectively interface and own the relationship with customers and their vendors

What Does A Relay Technician Do At Cypress Creek Renewables

* Conducting on-site routine maintenance, service, trouble shooting, and repair of transmission substations
* Conducting routine maintenance, service, trouble shooting, and repair of P&C relaying and digital meters
* Understanding of reading prints and determine how to isolate protection circuits without jeopardizing critical equipment
* Has working knowledge of complex SCADA systems, with sound ability troubleshoot wiring and I/O associated SCADA systems, legacy RTU’s, SEL3354’s, SEL3610’s, DFR’s
* Understanding of the processes needed to power factor, winding resistance, circuit breaker timing, and leakage reactance testing also interpret results
* Experienced to complete the requirements for Switching and Tagging on both the Transmission and Distribution systems
* DC and AC testing included but not limited to polarity, open circuit voltage, grounding continuity, communication, insulation resistance testing
* Understanding of the processes needed to complete maintenance/construction activities on all substation equipment including but not limited to switches, circuit breakers, transformers, regulators, PT's, CT's, CCVT's, relays, meters, and grounding systems
* Maintaining the vehicle, tools, meters and truck stock
* Creating service reports and maintaining spare parts inventory
* Identify safety hazards and take appropriate action to remove or eliminate hazards
* Create operability and major issue/downtime reports

What Does A Relay Technician Do At Exelon

* Responsible for installation, maintenance and repair of complex protective relaying schemes, metering, remote control and data systems and capacitor control and protection in substations.
* Required to coordinate technical activities for supervision and may be required to lead, direct, and provide liaison for complex work.
* Responsible for oversight and/or field technical training for Sr.
* Relay & Control Technicians and Relay & Control Technicians/Trainees.
* Directs the work of employees engaged in work on protective relaying schemes, metering, remote control and data systems and capacitor control and protection.
* Establishes close liaison with all other units, sections and departments involved in construction and work to ensure coordination of work efforts and integrity of the electric system.
* Participates in planning major substation or plant construction projects.
* Reviews engineering drawings and recommends changes when appropriate; makes frequent field checks to maintain knowledge of new protective relaying schemes, metering, remote control and data systems; plans operational tests of new protective relaying schemes, metering, remote control and data systems and capacitor control and protection equipment.
* Plans operational tests of new protective relaying schemes, metering, remote control and data systems and capacitor control and protection equipment.
* Directs and performs scheduled inspections, tests & calibration of protective relaying schemes, metering, remote control and data systems and capacitor control and protection equipment.
* Verifies control and protective circuit diagrams; reviews, compares, and ensures manufacturers compliance with accepted Company specifications and industry standards.
* Makes field revisions to ensure proper operation and performance and notifies engineering staff.
* Responds to system/equipment problems: performs analysis to determine operability or need for repairs and advises supervision of unusual events.
* Investigates or directs investigations of trouble and initiates corrective action on protective relaying schemes, metering, remote control and data systems and capacitor control and protection equipment.
* May work with representatives of other departments or manufacturers in the repair or replacement of defective protective relaying schemes, metering, remote control and data systems and capacitor control and protection equipment.
* Switches, clears, grounds, and tags out equipment.
* Provides assistance, as requested, to other groups on troubleshooting work.
* Directs, tests, adjusts, repairs, modifies or maintains special equipment.
* Uses a wide range of general purpose and specialized electrical and/or electronic testing equipment and instruments.
* Provides input/feedback to supervision as it pertains to performance management, Core Values and general team well being.
* Minimum:
* Working knowledge of mathematics up to and including trigonometry.
* Demonstrated ability to operate computers and associated software.
* Demonstrated ability to communicate effectively orally and in writing
* Ability to be certified in CPR and First Aid.
* Ability to meet Company driving standards, including a valid drivers license.
* Ability to carry equipment weighing 60 lbs

What Does A Relay Technician Do At PPL Corporation

* Duties include but are not limited to:
* Calculates fault currents by application of symmetrical component methods and specifies fuse ratings, oil circuit recloser and by-pass fuse ratings, current transformer ratios, relay ranges and relay settings.
* Analyzes load and voltage surveys, voltage checks, operating logs and reports to help detect existing or developing voltage problems and initiates steps to correct or forestall the condition.
* Performs engineering assignments to assist in providing adequate voltage for customers, neighboring utilities and distribution networks and to provide acceptable reactive distribution.
* Performs fault studies (using D
* C. calculating board or Digital Computer) for purpose of establishing relay settings on network systems of all voltage levels.
* Collaborates with other company personnel and/or consultants to specify protection requirements for customers' equipment.
* Assists, from the application or coordination viewpoint, in the investigation of questionable fuse, OCR, or relay performance and makes appropriate recommendations.
* Assists in establishing or revising voltage schedules where voltage can be controlled.
* Diagnoses line interruptions at 66 kv and above and directs the work of coding for processing by computer.
* Prepares and maintains routine data such as system impedance diagrams, transformer tap change notices and high voltage line load data.
* Requisition ID:
* BR

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How To Become A Relay Technician

Most electrical and electronics installers and repairers need specialized courses at a technical college prior to employment. Gaining certification is common and can be useful in getting a job.


Electrical and electronics installers and repairers must understand electrical equipment and electronics. As a result, employers often prefer applicants who have taken courses in electronics at a community college or technical school. Courses usually cover AC and DC electronics, electronic devices, and microcontrollers. It is important for prospects to choose schools that include hands-on training in order to gain practical experience.


In addition to technical education, workers usually receive training on specific types of equipment. This may involve manufacturer-specific training in order for repairers to perform warranty work.

Entry-level repairers usually begin by working with experienced technicians who provide technical guidance and work independently after developing their skills.

Licenses, Certifications, and Registrations

While certification is not required, a number of organizations offer certification which can be useful in getting a job. A number of organizations offer certification. For example, the Electronics Technicians Association International (ETA International) offers more than 50 certification programs in numerous electronics specialties for various levels of competency. The International Society of Certified Electronics Technicians (ISCET) also offers certification for several levels of competence. The ISCET focuses on a broad range of topics, including basic electronics, electronic systems, and appliance service. To become certified, applicants must meet prerequisites and pass a comprehensive exam.

Important Qualities

Color vision. Workers must be able to identify the color-coded components that are often used in electronic equipment.

Communication skills. Field technicians work closely with customers, so they must listen to and understand customers’ descriptions of problems and explain solutions in a simple, clear manner.

Physical stamina. Some workers must stand at their station for their full shift, which can be tiring.

Physical strength. Workers may need to lift heavy parts during the repair process. Some components weigh over 50 pounds.

Technical skills. Workers use a variety of mechanical and diagnostic tools to install or repair equipment.

Troubleshooting skills. Workers must be able to identify problems with equipment and systems and make the necessary repairs.

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Relay Technician jobs

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Relay Technician Demographics


  • Male

  • Female

  • Unknown



  • White

  • Hispanic or Latino

  • Asian

  • Unknown

  • Black or African American

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Languages Spoken

  • Arabic

  • Spanish


Relay Technician

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Relay Technician Education

Relay Technician

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Top Skills for A Relay Technician


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Top Relay Technician Skills

  1. Circuit Breakers
  2. Potential Transformers
  3. Protective Relays
You can check out examples of real life uses of top skills on resumes here:
  • Performed commissioning activities for circuit breakers and retrofitted relay and control functions.
  • Test and commission substation and power plant protective relays, equipment, and control circuits.
  • Functioned on a self-directed work crew that performed weekly and daily activities to maximize utilization of test department resources.
  • Commissioned the new SEL relays using Doble Protest and EnoServe RTS applications.
  • Provide support with solid state carrier sets.

Top Relay Technician Employers

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