Installation Rules Exam: Paper 1 vs Paper 2 — What Is the Difference?
Introduction
If you are preparing for the Installation Rules Exam in South Africa, one of the first questions electricians ask is: What is the difference between Paper 1 and Paper 2? Both exams are based on SANS 10142-1 and the Electrical Installation Regulations, but they test different knowledge areas and skills. Understanding these differences will help you choose the right study strategy and prepare effectively. For a full overview of the exam structure, regulations, and calculations, see our Complete Installation Rules Exam Guide.
Paper 1 — Calculations, Theory, Regulations & Foundations
Paper 1 is heavily theoretical and covers the legal and regulatory framework of electrical installations. It includes:
- Occupational Health & Safety Act 85 of 1993
- Electrical Installation Regulations
- Electrical Machinery Regulations
- SANS 10142‑1 fundamentals (definitions, compliance requirements)
Paper 1 focuses on understanding the law, regulations, and general requirements for safe installations — the “rules” behind the practice. If you are starting your preparation, you may find our Installation Rules Exam Guide Part 1 helpful for understanding the fundamentals.
Paper 2 — Calculations, Theory, Verification & Practical Application
Paper 2 steps into the practical side. It contains mathematically intensive questions and application-based problems. The Paper 2 syllabus includes advanced topics such as:
- Voltage drop calculations
- AC & DC Prospective Short‑Circuit Current (PSCC)
- Touch voltage calculations
- First principles (resistivity, conductor sizing, power relationships)
- Verification & certification (inspection, testing, test instruments, CoC)
- LV switchgear & components (SANS 1973‑3)
Paper 2 also requires applying SANS 10142‑1 installation requirements in problem‑solving scenarios — including cable selection, current carrying capacity, earthing arrangements, and Distribution Boards.
Which One Should You Write First?
Most electricians start with Paper 1 because it builds the conceptual foundation, but you may write both exam papers in the same period or trimester. You must pass both Paper 1 and Paper 2 with at least 50% each — without this, you cannot qualify for your Installation Electrician / Wireman’s Licence registration. Many candidates improve their preparation by practising with Installation Rules past papers before writing the exam.
Frequently Asked Questions
Is Paper 2 harder than Paper 1?
Many candidates find Paper 2 more difficult because it contains advanced calculations and practical application of SANS 10142 installation requirements.
Can you write Paper 1 and Paper 2 together?
Yes. Some training providers allow candidates to write both papers during the same examination period, although many electricians choose to complete Paper 1 first.
Do you need both papers for a Wireman's Licence?
Yes. Passing both Installation Rules Paper 1 and Paper 2 is required before applying for registration as an Installation Electrician.
Start Your Installation Rules Exam Preparation Today
Passing the Installation Rules Exam in South Africa requires more than reading SANS 10142 — it requires structured preparation and realistic exam practice. Our Installation Rules Study Guide is designed specifically for South African electricians and it includes: Realistic exam-style questions, clear and practical explanations, focus on high-weight SANS 10142 sections. If you are serious about passing on your first attempt, start preparing strategically today. The exam rewards strategic preparation — not last-minute cramming.
👉 Start preparing smarter today and increase your chances of passing on your first try.
Start Your Installation Rules Exam Preparation Today
What You Will Learn
You will learn how to:- Interpret and apply the OHS Act and Electrical Installation Regulations
- Calculate Voltage Drop, PSCC (AC & DC), Touch Voltage correctly
- Perform inspection, testing, verification, and complete CoC tasks
- Master SANS 10142‑1 installation requirements
- Work under exam time pressure