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Study Electrotechnology at Unitec Institute of Technology in Auckland, New Zealand!

Electrical Service Technician (EST)

This short course will permit you to carry out maintenance, testing and supervision of work carried out on 400V appliances and equipment designed to connect.


Topics covered on the short course

  • Basic electrical theory includes 400V
  • Electrical safety- personal
  • Cable and cords termination methods
  • Electrical testing and measuring instruments
  • Cables
  • Flexible cords and cables
  • Commission and decommission equipment and appliances
  • Legislative requirements for workplace safety
  • Multiple earth neutral system
  • Damp situations and wet areas
  • Personal protection devices
  • Electric motors
  • Power and energy
  • Electrical appliance testing
  • Protection
  • Electrical circuits
  • Safe working practices
  • Electrical conductors
  • Safety tagging system
  • Electrical insulators
  • Systems of supply

To gain registration and practicing licences, successful participants who have also passed the Electrical Workers Registration Board theory examination, will need to make application to the EWRB (forms are available from the Electrical Workers Registration Board website) with written confirmation from your employer that you have completed the number of months required for the appropriate electrical servicing work.
Once you have received your registration you will be permitted to carry out:
a) The maintenance of appliances that have an electrical rating of not more than 250 volts which are supplied by plug and flexible cord;
b) The disconnection and connection of the appliances described in paragraph (a) above from a power supply where a plug or appliance coupler is not fitted but the flexible cord is connected to a permanent connection unit;
c) The testing of work described in items (a) and (b) above;
d) The certification of work described in items (a) and (b) above;
e) The supervision of any work described in items (a) to (d) above.

Qualification requirements
Time based pathway (view the Electrical Workers Registration Board Competence programmes)
1. Passed the Electrical Service Technician written examination; and
2. Passed the Electrical Service Technician practical examination or practical assessments; and
3. Completed a safety training course including safe working practices, testing, basic first and CPR; and
4. Any applicant for registration as an electrical service technician must provide evidence that they have completed not less than eighteen months training and/or experience, including at least six months on multi-phase appliances, carrying out the following prescribed electrical work;
(a) the maintenance of fittings that are connected to conductors used in works or electrical installations; and
(b) the maintenance of appliances; and
(c) the disconnection and connection of fittings and appliances from and to a power supply, other than by means of a plug or pin inserted into a socket, or an appliance coupler inserted into an appliance inlet; for the purpose of the maintenance of those fittings; and
(d) the testing of work described in paragraphs (a) to (c) above.

Note: Experience must be obtained under a Trainee Limited Certificate. For more details please see the Electrical Registration Workers Board website
Upon successful completion of the EST short course, you will receive a Unitec Certificate of Attendance

Basic knowledge in general electrical work.

Minimum Enrolment Number
12 students
If the minimum number of students to be enrolled is not reached, then Unitec reserves the right to cancel the class. Should this occur, you will be notified ahead of closure. Before you make any travel or accomodation arrangements, please check that your course is running.

Maximum Enrolment Number
16 students
See below in "Classes". 
Fees are inclusive of GST and student services fee. Fees may be lower for holders of a current valid First Aid and CPR Certificate. EWRB exam fees charged seperately by the EWRB.

Course Code

How to apply
Hit the 'Apply Now' button on the top right of this page and follow the steps. Applications close 7 days before the start date of each class.

Available Classes
See the Classes section below. If these dates don't suit you and/or if you're interested in being notified of future upcoming classes, please Register your interest in this short course.


Week commencing06 July 2020
$1,075.30 6269 ETECS184 12 July 2020
6 Jul 20 - 6 Jul 20: Lecture. Monday 13:00 - 16:30 ( )
6 Jul 20 - 6 Jul 20: Lecture. Monday 08:30 - 12:30 ( )
7 Jul 20 - 7 Jul 20: Lecture. Tuesday 13:00 - 16:30 ( )
7 Jul 20 - 7 Jul 20: Lecture. Tuesday 08:30 - 12:30 ( )
8 Jul 20 - 8 Jul 20: Lecture. Wednesday 08:30 - 12:30 ( )
8 Jul 20 - 8 Jul 20: Lecture. Wednesday 13:00 - 16:30 ( )
9 Jul 20 - 9 Jul 20: Lecture. Thursday 08:30 - 12:30 ( )
9 Jul 20 - 9 Jul 20: Lecture. Thursday 13:00 - 16:30 ( )
10 Jul 20 - 10 Jul 20: Lecture. Friday 08:30 - 12:30 ( )
10 Jul 20 - 10 Jul 20: Lecture. Friday 13:00 - 16:30 ( )
Week commencing06 July 2020
$1,075.30 7342 ETECS184 12 July 2020
: .
Week commencing28 September 2020
$1,075.30 6270 ETECS184 13 December 2020
28 Sep 20 - 19 Oct 20: Lecture. Monday 17:00 - 21:00 ( )
2 Nov 20 - 7 Dec 20: Lecture. Monday 17:00 - 21:00 ( )