Thousands of randomised calculation worksheets and exams — max demand, cable selection, voltage drop, fault loop, and more. All based on AS/NZS 3000. Never run out of questions to practise.
Every worksheet uses randomised loads, distances, and values. Hit "New question" for a completely fresh scenario — same method, different numbers — as many times as you need. You can never run out.
Every demand factor, every clause, every scenario is based on the Australian Wiring Rules. Not American NEC. Not British BS 7671. Exactly what your TAFE and trade exams test you on.
Short answer and AS3000 clause questions are checked by AI instantly — with specific feedback on what you got right and what you missed. Like having a teacher available 24/7.
Domestic 1-phase, domestic 3-phase, multi-unit blocks, motels, factories, and office+factory — all in the familiar table format. Randomised loads every attempt. 6 scenario types.
Design current (Ib) → derating factors (Ca, Cg) → required Iz → final cable size. Randomised loads, temperatures, and groupings. 3 scenario types.
Single-phase and 3-phase circuits. Randomised lengths, currents, and cable sizes. Check against the AS/NZS 3000 5% limit every time. 3 scenario types.
Fault loop impedance with Zs compliance check. Short circuit temperature adiabatic equation. Randomised Ze, cable sizes, and fault parameters.
100 questions across wiring fundamentals, earthing, 3-phase systems, motors, special locations, inspection & testing, and AS3000 applied — mixed MC and short answer.
25+ questions: find the clause number and write the requirement in your own words. AI gives instant, specific feedback. Know the wiring rules cold.
3 end-to-end installation design projects — residential, commercial, and industrial. Tie every calculation section together in one complete exercise.
Track your accuracy across every section. See your scores improve over time and identify where you need more practice.
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6 worksheet types — domestic, 3-phase, units, motel, factory
Ib → derating factors → Iz → cable size
Single-phase and 3-phase · 5% limit check
Ze, R1, R2, Zs · disconnection compliance
Adiabatic equation S = I√t / k
10 exams · 100 questions · MC + short answer
Find the clause · Write the requirement
3 complete installation design exercises
Lights, GPOs, oven, HWS, A/C
Large home, 3-phase supply & A/C
Units + communal loads
Fluros, ranges, 3-phase equipment
High-bays, motors, welders
A/C office + non-A/C factory
Last updated 2025
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Last updated 2025
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