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The LEI assessment is for seasoned electricians who are looking to become ESV Electrical Inspectors.

Students will train in the three components assessed in the LEI exam:

  • G Class Theory
  • G Class Practical
  • Safe Approach

Rant from the Director

To be an ESV Electrical Inspector, you must be fully competent with the Wiring Rules, General Regulations, Construction and Demolition Rules, the Electrical Safety Act and the ESV Defects list.

Documentation is a big part of being an ESV Electrical Inspector. So, if you don't like paperwork or computer lodgement on ESV Connect, then being an inspector is not for you.

However, as we get to be an older mature electrician, we can't fit in roof spaces any more and our physical flexibility, and strength is not what it used to be. But we do gain valuable industry experience and have seen and experienced many unsafe electrical installations. So, this is an ideal application for your mature age and experience.

At TTA we have a 3 tier program. We know you are experienced and very good at the practical application of your knowledge as an Electrican. However, you must have a thorough knowledge of AS/NZS 3000.

Why? Because every G Class assessment requires a clean set of unmarked, ESV provided standards and regulations.

You must complete the AS/NZS standards course at TTA to be successful in all 3 parts of the G Class Electrical Inspectors assessment. Why? You must be able to identify the visual defects with the associated wiring rule and the ESV defect, that you must provide on the Certificate of Electrical Safety for your REC.

This course provides the knowledge required to sit the Licensed Electrical Inspector (LEI) Assessments.


See the ESV website for prerequisites (opens link in new tab).


All materials available for purchase from TTA


  • AS/NZS 3000 Wiring Rules
  • AS/NZS 3008 Electrical Installations - Selection of Cables
  • AS/NZS 3012 Electrical Installations - Construction and Demolitions
  • AS/NZS 3017 Electrical installations - Verification guidelines
  • AS/NZS 4836 Safe Working On Or Near Low-Voltage Electrical Installations and Equipment
  • Authorised Electrical Safety (General) Regulations
  • ESV Defects List
  • The VIC ESA 1998 - no.25; A. 1st Jan. 2018


  • Kyoritsu Insulation Resistance Tester, Analogue
  • Hayco Voltage tester and Multicheck Tester
  • LV 650V rated Electrical Gloves and Goat Skin Electrical Outer Gloves


  • Casio fx-82AU PLUS II calculator
  • A4 3 ring binder folder with plastic sleeves
  • Page tabs (4 colours)
  • 4 colour pen, highlighters, 12pk coloured pencils, eraser, correction tape, and a 15cm transparent ruler.


We train almost every day of the year.
Please contact TTA for bookings.


Pay-As-You-Go Tuition

G Class Theory

Class size: 1-6 students
Avaliability: Monday-Friday, 9am-8pm


Our Courses are discounted versus pay-as-you-go tuition.

G Class Theory

Course: 10, 3 hour sessions
Standard pace: 2 / 3 times weekly
Class size: 1-6 students
Avaliability: Monday-Friday, 9am-8pm

G Class Practical

Course: 7, 3 hour sessions
Standard pace: Twice weekly
Class size: 1-3 students
Avaliability: Monday-Friday, 9am-12pm

Safe Approach

Course: 7, 3 hour sessions
Standard pace: Twice weekly
Class size: 1-3 students
Avaliability: Monday-Friday, 9am-12pm

Remote Learning

Do you reside more than 100kms from Melbourne CBD? You may qualify for TTA’s regional training program. TTA posts you home study packs and trainers are available on email and skype/face time calls. Attend classroom training just before your exam.

Call the office for more info.

Information Brochures

DOWNLOAD - LEI Information Brochure