Electrical Service Technician (EST)

New Zealand is crying out for more electrical service technicians to repair faulty appliances. This evening course will suit you if you're already working in the electrical industry and want to gain a qualification.

It's both theoretical and practical with emphasis on safety, measurement techniques and safe working practices. It's expected you will have had some experience in an electrical workplace.

Content Details

Learn to service and install large appliances like commercial refrigeration units, air conditioners and three-phase electrical equipment. This course focuses on the maintenance, disconnection and reconnection of electrical appliances supplied by flexible cord or fixed-wired up to 460 volts.

You'll get the skills you need to complete EWRB practical skills tests and theory examinations. You then have to complete two to three years of supervised work to gain full registration.

Theory Examination

The Electrical Service Technician examination is an ‘open-book’ examination.  The EWRB will post the list of material required for the examination on their website.  Please check their website for this information.  A tutor will be available at the start of the exam to check the material you have brought with you. You are allowed to use a calculator.


Planned intakes*: March
Delivery modes: Part-time
Locations*: Tauranga (Windermere Campus)
Duration: 26 weeks

* subject to change. Intakes may vary between locations.

Indicative Fees

2017 domestic students $954.00

2017 international students $1,144.00

2018 fees to be confirmed

Note this part-time programme is NOT eligible for the payment of Student Loans or Allowances

The fee shown for domestic students is applicable to New Zealand citizens and permanent residents. If an international fee is not listed above please refer to the international fees page. All fees are indicative only and subject to change.

You MAY be eligible for a StudyLink Student Loan for your tuition fees.

Find out if your programme qualifies by visiting the Studylink website.

If you also need to pay course related costs, i.e. if outlined in programme costs above, you need to apply separately to StudyLink (up to $1,000/academic year for eligible students). Note course related costs are paid directly into your bank account by StudyLink and you will be required to pay this to Toi Ohomai Institute of Technology.

Qualifications Gained

Upon successful completion of the programme you will receive:

  • Electrical Service Technician
  • First Aid Certificate

In addition to successfully completing this programme and examination, the EWRB requires a term of practical on-job experience prior to registration.

Successful participants are legally allowed to work in the following areas:

  • EST - Maintenance, disconnection and reconnection of electrical appliances supplied by flexible cord or fixed-wired up to 460 volts

Career Opportunities

Graduates of this course can work as an appliance technician, installing and repairing a wide range of appliances while being supervised. After two to three years of practical supervised work they can then apply for full registration with the EWRB.

Potential Employers

  • Appliance merchants
  • Service agents
  • Installation companies
  • Manufacturers

Entry Criteria

  • Open entry
  • Students should be working under supervision in the electrical industry