Health & Safety
Key laws, risk assessments, PPE, safe isolation, and site safety basics.
Principles of Electrical Science
Ohm’s law, voltage, current, resistance, power, and AC/DC fundamentals.
Electrical Installation Technology
Wiring systems, containment, terminations, circuit design basics, and installation methods.
Use revision support to review key topics, spot weaker areas, and plan what to study next. The progress chart shows a sample learning path so you can see how results shift over time as you revisit topics and improve your scores.
Useful electrical calculators to help with installations, exam revision, and quick checks.
• Voltage drop calculator
• Cable size calculator
• Earth fault loop (Zs) calculator
• Conduit fill calculator
• RCD checker
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• Unlimited topic quizzes
• My problem questions – automatically practise the questions you struggle with most
• Exam mode – realistic timed mock exams like the real electrical exams
• Flashcards – quick revision for key electrical terms and concepts
• Tool Box – built-in electrical calculators (voltage drop, cable size, Zs, conduit fill, RCD testing)
• Real performance tracking
• Weak topic targeting
• Exam-style mock tests
Questions you've answered incorrectly before — practise these to improve your weakest areas fastest.
Principles of Electrical Science
• Which statement about series and parallel circuits is correct?
• What is the SI unit of resistance?
• Good conductor materials include?
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