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30-day Electrician exam study plan

Updated 16 September 2026 · 2 min read

This plan puts most of a month's study into electrical principles and installation, because they carry the heaviest weight for an electrician, with maintenance practice alongside. It builds a habit of daily calculation practice, since arithmetic slips are among the easiest marks to lose. Each day needs about an hour, with longer sittings for the two mock tests.

How this guide was made

Written for this site with AI assistance, then checked automatically before publishing. The topic table, sample questions, worked examples and study plan are generated from this site’s question bank: each worked example is recalculated by separate code, and each sample answer says where it came from.

The guide deliberately states no salaries, grades, pass marks or exam dates. Those change, and they could not be checked here, so take them from the advert itself.

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The 30-day plan

DayFocusWhat to do
Week 1
1Electrical principles and installationStudy, then answer 20 questions untimed and read every explanation, including for the ones you got right.
2Maintenance practiceStudy, then answer 20 questions untimed and read every explanation, including for the ones you got right.
3Electrical principles and installationStudy, then answer 20 questions untimed and read every explanation, including for the ones you got right.
4Maintenance practiceStudy, then answer 20 questions untimed and read every explanation, including for the ones you got right.
5Electrical principles and installationStudy, then answer 20 questions untimed and read every explanation, including for the ones you got right.
6Maintenance practiceStudy, then answer 20 questions untimed and read every explanation, including for the ones you got right.
7Review the weekRedo every question you got wrong this week, without looking at the explanations first.
Week 2
8Electrical principles and installationStudy, then answer 30 questions untimed and read every explanation, including for the ones you got right.
9Maintenance practiceStudy, then answer 30 questions untimed and read every explanation, including for the ones you got right.
10Electrical principles and installationStudy, then answer 30 questions untimed and read every explanation, including for the ones you got right.
11Maintenance practiceStudy, then answer 30 questions untimed and read every explanation, including for the ones you got right.
12Electrical principles and installationStudy, then answer 30 questions untimed and read every explanation, including for the ones you got right.
13Electrical principles and installationStudy, then answer 30 questions untimed and read every explanation, including for the ones you got right.
14Timed mock 150 questions in 60 minutes, in one sitting. Mark it, then list the areas you lost marks in.
Week 3
15Electrical principles and installationStudy, then answer 40 questions untimed and read every explanation, including for the ones you got right.
16Electrical principles and installationStudy, then answer 40 questions untimed and read every explanation, including for the ones you got right.
17Electrical principles and installationStudy, then answer 40 questions untimed and read every explanation, including for the ones you got right.
18Electrical principles and installationStudy, then answer 40 questions untimed and read every explanation, including for the ones you got right.
19Electrical principles and installationStudy, then answer 40 questions untimed and read every explanation, including for the ones you got right.
20Electrical principles and installationStudy, then answer 40 questions untimed and read every explanation, including for the ones you got right.
21Review the weekRedo every question you got wrong this week, without looking at the explanations first.
Final stretch
22Revise: Electrical principles and installation40 mixed questions on electrical principles and installation, timed at about a minute each.
23Revise: Electrical principles and installation40 mixed questions on electrical principles and installation, timed at about a minute each.
24Revise: Electrical principles and installation40 mixed questions on electrical principles and installation, timed at about a minute each.
25Revise: Electrical principles and installation40 mixed questions on electrical principles and installation, timed at about a minute each.
26Revise: Maintenance practice40 mixed questions on maintenance practice, timed at about a minute each.
27Revise: Maintenance practice40 mixed questions on maintenance practice, timed at about a minute each.
28Timed mock 250 questions in 60 minutes, in one sitting. Mark it, then list the areas you lost marks in.
29Mock mistakesWork through every wrong answer from both mocks until you can explain why the right option is right.
30Light reviewSkim your notes and formulas for an hour, then stop. Sleep matters more than one more set tonight.

Why the plan looks the way it does

With electrical principles and installation weighted well above maintenance, most learning days in the table go to circuits, cables, protection, earthing and testing. Maintenance practice appears regularly, because electricians are tested on diagnosing and repairing existing installations as well as building new ones. The last week concentrates on the heaviest area again, against the clock.

Where to spend your study time

The suggested emphasis reflects what this position works with day to day. It is a study guide, not a published exam blueprint.

AreaSuggested emphasisQuestions in the bankPractise
Electrical principles and installation 71%6,523Electrical
Maintenance practice 29%1,784Electrical

Ten minutes of calculations every day

Whatever the day's topic, start with ten minutes of calculations: current from power, voltage drop, total resistance and energy use. Keep a small notebook just for them. By the end of the month the formulas will be automatic, which saves time on the paper and prevents panic when a calculation appears.

Practical days

If you can use a workshop or a supervised site, turn a few learning days into practical tasks: safe isolation, continuity and insulation resistance testing, and wiring a simple lighting circuit to a diagram. Practical experience makes scenario questions far easier to picture.

Common questions

What if I am already a working electrician?

Take the first mock early to see which areas cost you marks. Working electricians often lose marks on calculations or on the exact order of tests, so shift time toward those.

What should I do on review days?

Redo the week's wrong answers, repeat the calculations you found hardest, and redraw any circuit you could not draw from memory.

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