30-day Electrical Engineer exam study plan

Updated 17 September 2026 · 2 min read

This plan gives most of a month to electrical principles and design calculation, with regular days for electronics and maintenance practice. It is built around daily calculation drill, because engineering papers are decided there and because speed with formulas frees time for the judgement questions. Plan about an hour a day, with longer sittings for the two mocks.

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

Day	Focus	What to do
Week 1
1	Electrical principles and installation	Study, then answer 20 questions untimed and read every explanation, including for the ones you got right.
2	Electronics and automation	Study, then answer 20 questions untimed and read every explanation, including for the ones you got right.
3	Maintenance practice	Study, then answer 20 questions untimed and read every explanation, including for the ones you got right.
4	Electrical principles and installation	Study, then answer 20 questions untimed and read every explanation, including for the ones you got right.
5	Electronics and automation	Study, then answer 20 questions untimed and read every explanation, including for the ones you got right.
6	Maintenance practice	Study, then answer 20 questions untimed and read every explanation, including for the ones you got right.
7	Review the week	Redo every question you got wrong this week, without looking at the explanations first.
Week 2
8	Electrical principles and installation	Study, then answer 30 questions untimed and read every explanation, including for the ones you got right.
9	Electronics and automation	Study, then answer 30 questions untimed and read every explanation, including for the ones you got right.
10	Maintenance practice	Study, then answer 30 questions untimed and read every explanation, including for the ones you got right.
11	Electrical principles and installation	Study, then answer 30 questions untimed and read every explanation, including for the ones you got right.
12	Electronics and automation	Study, then answer 30 questions untimed and read every explanation, including for the ones you got right.
13	Maintenance practice	Study, then answer 30 questions untimed and read every explanation, including for the ones you got right.
14	Timed mock 1	50 questions in 60 minutes, in one sitting. Mark it, then list the areas you lost marks in.
Week 3
15	Electrical principles and installation	Study, then answer 40 questions untimed and read every explanation, including for the ones you got right.
16	Electrical principles and installation	Study, then answer 40 questions untimed and read every explanation, including for the ones you got right.
17	Electrical principles and installation	Study, then answer 40 questions untimed and read every explanation, including for the ones you got right.
18	Electrical principles and installation	Study, then answer 40 questions untimed and read every explanation, including for the ones you got right.
19	Electrical principles and installation	Study, then answer 40 questions untimed and read every explanation, including for the ones you got right.
20	Electrical principles and installation	Study, then answer 40 questions untimed and read every explanation, including for the ones you got right.
21	Review the week	Redo every question you got wrong this week, without looking at the explanations first.
Final stretch
22	Revise: Electrical principles and installation	40 mixed questions on electrical principles and installation, timed at about a minute each.
23	Revise: Electrical principles and installation	40 mixed questions on electrical principles and installation, timed at about a minute each.
24	Revise: Electrical principles and installation	40 mixed questions on electrical principles and installation, timed at about a minute each.
25	Revise: Electrical principles and installation	40 mixed questions on electrical principles and installation, timed at about a minute each.
26	Revise: Electronics and automation	40 mixed questions on electronics and automation, timed at about a minute each.
27	Revise: Maintenance practice	40 mixed questions on maintenance practice, timed at about a minute each.
28	Timed mock 2	50 questions in 60 minutes, in one sitting. Mark it, then list the areas you lost marks in.
29	Mock mistakes	Work through every wrong answer from both mocks until you can explain why the right option is right.
30	Light review	Skim your notes and formulas for an hour, then stop. Sleep matters more than one more set tonight.

How the days are weighted

Electrical principles and installation carry the top weight for this position, so most learning days cover load estimation, three-phase relationships, cables, protection, transformers, power factor and earthing. Electronics and maintenance practice each get their own days, because engineers specify control equipment and inherit responsibility for existing plant. The final stretch returns to the heaviest topics 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.

Area	Suggested emphasis	Questions in the bank	Practise
Electrical principles and installation	56%	6,523	Electrical
Electronics and automation	22%	504	Electrical
Maintenance practice	22%	1,784	Electrical

Daily calculation drill

Begin each session with fifteen minutes of calculation: current from kVA, voltage drop over a route, transformer secondary current, reactance at supply frequency. Keep them in one notebook so you can see your own error patterns. By the fourth week the formulas should need no thought, which is exactly what a timed paper demands.

Working the judgement questions

Twice a week, take a design scenario and write the constraints it contains before choosing an answer. Then write one sentence justifying your choice. This is the same discipline a design review will ask of you, and it converts vague knowledge into defensible decisions.

Common questions

I work as a technician and want to move up. Does this plan suit me?

Yes, though expect the design calculations to need more time than the practical material. Take the first mock early to find the gap.

How should I use the mock results?

Separate calculation errors from judgement errors. Calculation errors need drill; judgement errors need scenarios and, ideally, discussion with a senior engineer.