Electrical Service Technician (EST)

Overview

This course includes practical skills assessment required for Electrical Service Technician  (EST) class of Electrical Workers Registration Board (EWRB) registration. In addition, the course includes safety training (an approved First aid course) and offers preparation for the theory exam required for this class of registration.
Electrical Service Technician work includes maintenance and servicing 3-phase electrical equipment, identifying components of appliances, locating, identifying and isolating sources of supply on a switchboard and much more.

Further details on course content can be found on the EWRB website under Teaching Guidelines

This course is for

Electrical workers who need to be assessed in a number of practical skills, revise the theory and complete First aid course,  as set out by the EWRB as a partial requirement for Electrical Service Technician class of registration.  

• For complete registration requirements, please contact EWRB.
• For examination, please contact ASPEQ.

The outcome of this course

Upon successful completion, Unitec will submit your practical assessment record to EWRB and confirm your eligibility to sit an examination to the EWRB examination provider, ASPEQ.

Course details

Prerequisites

Before you enrol, please confirm with EWRB that you meet entitlement criteria for this class of registration.

Fees

• Domestic: $1,234.07
• International: $1,328.17

The above fee is inclusive of 15% GST and Student Services fee but does not include the EWRB/ASPEQ exam fee. International applicants may need insurance for this short course. Please see our Insurance page for more information

Class Schedule

Please see below for more classes dates 

How to apply

Select ‘Apply Now’ and under Short Course in Electrotechnology select Electrical Service Technician (EST) course.

Apply Now

Note: Please ensure you have and completed the below;

• Certified ID document (Certified by a NZ JP, or can bring the originals into Student Central)
• Completed, signed, and dated EWRB practical assessment form
• EWRB number 
• Payment of fees to be completed to be successfully enrolled 

Minimum Enrolment Number

11 students
Unitec reserves the right to cancel this class when the minimum enrolled number is not met. Should this occur, you will be notified before the intake closure.  Please check if your class is running before you make any travel arrangements.  

Maximum Enrolment Number

Unitec holds the right to stop the enrolment when the number of students enrolled in EWRB short courses reaches the capacity of the assigned Trades building laboratory.

List of tools and PPE gear required for the course

To attend the course, you must have required Personal Protective Equipment (PPE) gear, which includes electrical safety (capped) footwear and safety glasses.
We recommend that you bring your toolbox, which must include (but not limited to):

• Tester
• Wire strippers
• Phillips screwdrivers
• Flat blade screwdrivers
• Diagonal (Side) cutters
• Electrician’s pliers

Register your interest

If the below dates are not suitable and you would like to be notified of any additional classes added, select ‘register your interest’

Register your interest

Upcoming Class schedule

Electrical Service Technician (EAS) & Electrical Appliance Serviceperson : From: 16/02/2026 to 20/02/2026 – View schedule

Electrical Service Technician (EAS) & Electrical Appliance Serviceperson : From: 10/04/2026 to 16/04/2026 – View schedule

Electrical Service Technician (EAS) & Electrical Appliance Serviceperson : From: 6/07/2026 to 10/07/2026 – View schedule

Electrical Service Technician (EAS) & Electrical Appliance Serviceperson – endorsed to disconnect and reconnect : From: 30/09/2026 – 2/12/2026 – View schedule

Electrical Service Technician (EAS): From: 16/11/2026 to 20/11/2026 – View schedule