Electrical Service Technician (EST)
Electrical
A course by
Toi Ohomai
This evening part-time course is designed for those already working in the electrical industry who want to become registered Electrical Service Technicians. It combines theory and practical skills with an emphasis on safety and prepares students for the EWRB assessment.
In-person study
Face-to-face learning in a physical classroom setting
It will take a total of 6 months
This course requires 3 hours per week


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Service and install electrical appliances
Learn to service and install large appliances including commercial refrigeration units and air conditioners, as well as three-phase electrical equipment.

Perform safe disconnection and reconnection
Perform maintenance, disconnection, and reconnection of single-phase and three-phase appliances supplied by flexible cord or fixed-wired up to 460 volts.

Apply electrical safety and measurement techniques
Demonstrate safe working practices and use correct electrical measurement techniques in practical and theoretical settings.
What You're Signing Up For
The Electrical Service Technician (EST) course at Toi Ohomai Institute of Technology is aimed at people already working in the electrical industry seeking to gain a formal qualification. The course covers both theory and practical aspects of electrical appliance servicing, measurement techniques, safety procedures, and preparation for the Electrical Workers Registration Board (EWRB) practical assessment. Upon completion, graduates will be able to work under supervision on a wide range of electrical appliances and progress toward full registration.
Course Content
- Servicing and installing large electrical appliances
- Commercial refrigeration units and air conditioners
- Single phase and three-phase equipment maintenance
- Disconnection and reconnection of appliances up to 460 volts
- Theory and practical preparation for EWRB Electrical Service Technician assessment
- Emphasis on safety and measurement techniques
- Completion of first aid and CPR course
What you need to know first
Must be already working in the electrical industry
Completion of a First Aid and CPR course

What sort of industry will this job lead to
Electrical
Engineering
Trades

Future employment opportunities might be
Work as an electrical service technician (under supervision)
Progress towards full EWRB registration after 18 months supervised practice and passing further exam
Repair and install a wide variety of electrical appliances and equipment


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