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What is a Relay Technician

People who study electrical systems and want to work in a profession that requires repairing and maintaining them can end up working as relay technicians. Normally, relay technicians repair and maintain relays in electrical power stations. Other duties of these technicians might be to calibrate generators, test various components, replace wires, and repair circuit breakers. They are also responsible for maintaining records of charges, labor time, and components that are used in repairing and reassembling equipment.

Many relay technicians have an associate's degree, but there is almost an equal balance of bachelor's and associate's degrees in this profession. Most commonly, these technicians study electromechanical instrumentation and maintenance technologies, electrical engineering technology, or electrical engineering.

Knowledge of transformers, SCADA, test equipment, substation equipment, or electrical systems is often required for this position. Relay technicians earn about $29 in an hour and make somewhere around $60,000 per annum. The jobs for this position are slowly declining in the US.

What Does a Relay Technician Do

Electrical and electronics installers and repairers install or repair a variety of electrical equipment in telecommunications, transportation, utilities, and other industries.

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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Average Salary for a Relay Technician

Relay Technicians in America make an average salary of $65,391 per year or $31 per hour. The top 10 percent makes over $114,000 per year, while the bottom 10 percent under $37,000 per year.
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Relay Technician Demographics

Relay Technician Gender Distribution


After extensive research and analysis, Zippia's data science team found that:

  • Among Relay Technicians, 7.5% of them are women, while 92.5% are men.

  • The most common race/ethnicity among Relay Technicians is White, which makes up 74.9% of all Relay Technicians.

  • The most common foreign language among Relay Technicians is Spanish at 66.7%.

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Relay Technician Education

Relay Technician Degrees


43.1 %


37.5 %

High School Diploma

11.1 %

Top Colleges for Relay Technicians

1. New Mexico State University

Las Cruces, NM • Private

In-State Tuition

2. Massachusetts Institute of Technology

Cambridge, MA • Private

In-State Tuition

3. Inter American University of Puerto Rico Bayamon

Bayamon, PR • Private

In-State Tuition

4. Stanford University

Stanford, CA • Private

In-State Tuition

5. Harvard University

Cambridge, MA • Private

In-State Tuition

6. Duke University

Durham, NC • Private

In-State Tuition

7. Northeastern University

Boston, MA • Private

In-State Tuition

8. California State University - Long Beach

Long Beach, CA • Private

In-State Tuition

9. University of Pennsylvania

Philadelphia, PA • Private

In-State Tuition

10. New York University

New York, NY • Private

In-State Tuition
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Online Courses For Relay Technician That You May Like

Electrical Control & Protection Systems

This course introduces electrical control & protection systems which are a critical part of any electrical substation...

The Complete Electrical Power Control and Protection

Your Complete Practical Guide in Electrical Control & Protection Systems for Stations, Substations & Distribution Zones...

Ultimate Electrical Substations, HV and Generation Bundle

This electrical engineering bundle consisting of electrical substation course, high voltage course and generation course...

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Top Skills For a Relay Technician

The skills section on your resume can be almost as important as the experience section, so you want it to be an accurate portrayal of what you can do. Luckily, we've found all of the skills you'll need so even if you don't have these skills yet, you know what you need to work on. Out of all the resumes we looked through, 16.1% of Relay Technicians listed Transformers on their resume, but soft skills such as Color vision and Communication skills are important as well.

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Top Relay Technician Employers

Most Common Employers For Relay Technician

RankCompanyZippia ScoreAverage Relay Technician SalaryAverage Salary
6.Westar Energy