Every VET qualification is a mix of units you have to complete and units you choose. A Certificate III in Electrotechnology Electrician is built from 27 core units and 2 electives. A Certificate III in Hospitality is 6 core units and 9 electives. Depending on which one you’re looking at, your electives might barely matter, or they might shape most of your training. Here’s why that split exists, and what it means once you’re the one picking.
What core and elective units actually mean
Core units are the ones everyone has to complete. They cover what’s considered essential to the job, things like safety procedures and foundational techniques that don’t change no matter where a graduate ends up working.
Electives come from a defined list attached to the same qualification, though the rules aren’t always as closed as they look. Some qualifications let a provider bring in a unit from a different training package altogether, as long as it’s still relevant to the job outcome. Some electives carry prerequisites too, so you can’t always complete them in whatever order suits you.
How this compares to subject electives at school
There’s a loose parallel at school: subjects everyone takes, plus a few you pick yourself. VET electives sit inside tighter boundaries though. They’re tied directly to the qualification’s job outcome, not a broad spread of unrelated subjects, and missing a core unit means not finishing the qualification at all.
Why the ratio is so different between qualifications
A good comparison to draw is between Electrotechnology and Hospitality, both qualifications sit at the same AQF level, Certificate III. But how much of each one is fixed versus chosen comes down to the work itself.
Certificate III in Electrotechnology Electrician
Get electrical work wrong and you’re looking at electrocution, fire, or serious equipment damage. That risk sits underneath the whole trade, which is why the core has to cover baseline safety and technique no matter which specialisation someone ends up in. This qualification locks in 27 core units, covering circuit theory, installation basics, and workplace safety. What’s left is small, and measured a little differently: electives are chosen to hit a required points value rather than a simple headcount, which in practice usually works out to just two or three units.
Certificate III in Hospitality
Hospitality carries a lot less of that risk. A wrong drink order or a scheduling mix-up isn’t in the same category as a mistake made wiring a building. The core here is just 6 units, covering customer service and safety, and the other 9 electives let you specialise almost straight away, into food and beverage, accommodation, or gaming, depending on where you’re headed.
Who actually decides this
None of this comes from an individual training provider. Every qualification sits within a training package, built by one of ten Jobs and Skills Councils, industry-led groups made up of employers, unions, and training providers from that sector. They develop training packages against standards set by Skills Ministers, who hold the formal authority to endorse them nationally. That’s why a Certificate III in Electrotechnology looks the same no matter who delivers it, even though the electives on offer can shift slightly between providers.
What the split actually means for you
The more elective-heavy a qualification is, the more your choices shape your training overall. In the electrician example, most of the course is locked in either way, but the two or three electives you do get still point toward a specific specialisation, solar and battery work sets up a different accreditation path to data and fibre cabling, so they’re still worth picking with some direction in mind. In hospitality, electives shape most of what you walk away with, and two students can finish the same qualification with meaningfully different skills.
Do you need to know what you want straight away?
Not usually. Most qualifications don’t make you lock in every elective before you start, and plenty of students pick broader, more general electives early, then narrow down later in the course. The qualification itself is the bigger decision, and the electives are a smaller choice sitting inside it, so if you’re picking electives within a Certificate III in Hospitality, you’ve already chosen hospitality as a direction, and the elective just decides which part of it you lean toward.
If you’re not sure yet, go broad. General customer service skills carry across food and beverage, accommodation, and gaming alike, and keep more doors open than a narrow, job-specific elective would.
How to actually choose
Check a few things before settling on electives:
- Which job outcomes an elective is actually linked to, most course outlines list this
- Whether it’s a listed prerequisite for anything you might want to study next
- Whether your specific provider even offers it, not every provider runs every option on a qualification’s full list
If you’re curious about how a VET qualification could fit into your own plans, our vocational education resources have more to help you weigh it up.