Electrical Service Technician

Holders of Electrical Service Technician certificate can service three-phase fixed wire appliances up to 400V.

What you will learn

  • This course will instruct applicants to the level required by the Electrical Workers Registration Board (EWRB) for their theory examinations and practical assessments
  • Study basic electrical theory for working with equipment up to 400V
  • Complete electrical testing
  • Cover electrical circuits, conductors and insulators
  • Learn earthing arrangements
  • Carry out maintance on three-phase electrical motors
  • Apply safe working practices
Construction & InfrastructureConstruction
& Infrastructure

Course requirements

It is recommended that students bring a copy of ASNZ3000:2007, including amendment 1.

You are required to sit an exam on the Saturday morning, following the course.

Courses are run subject to sufficient numbers. Special courses can be arranged for employers with a group of candidates.

Electrical Workers Registration Board

EWRB application forms need to be completed and signed for each exam or practical assessment (see documents below). Application forms will only be accepted with payment. Entries received within 14 days of the examination date will incur a late fee of $85.

Check exam dates.

Upcoming start dates

  • 11 September 2017

For open days, enrolment deadlines and other important dates check our calendar.

Entry criteria

Under 20

Applicants must have completed the Electrical Appliance Serviceperson course (previously Electrical Service Technician A).


Applicants must have completed the Electrical Appliance Serviceperson course (previously Electrical Service Technician A).

What it will cost


  • Fee: $923

    Electrical Workers Registration Board fees are additional.

    Exam fee: $85. Practical assessment fee: $85.

    A $30 administration fee applies for students using WelTec as an exam centre only.


This programme is not available to international students.

Where will my course be?

The Petone campus is at 21 Kensington Avenue, Petone.

Read more about our Petone campus.

Ready to enrol?


Applying online is easy and takes only about 10 minutes.

You will need a few details:

  1. An email address you check regularly.

  2. The phone number of someone willing to be your emergency contact.

  3. Your date of residency if you are a permanent resident in NZ.

If you have your NZQA National Student Number and/or a WelTec Student ID it will help us process your application faster.


Contact our international team to check the suitability of this course for international students.

Documents and other details

Offered by:
School of Construction
Offered by:
Ngā whare tapu o Tane-mata-rau-kiri
Formal programme title:
Electrical Service Technician
Programme code: