BS 7671 Topics

1

Part 1 - Scope, Object and Fundamental Principles

8 free questions / 55 in app 4% exam weight

Study guide for Part 1 of BS 7671 18th Edition — the scope, object, and fundamental principles of the IET Wiring Regulations, plus risk assessment.

2

Part 2 - Definitions

6 free questions / 24 in app 2% exam weight

Study guide for Part 2 of BS 7671 18th Edition — the essential definitions, earthing arrangements, and protection terminology used throughout the regs.

3

Part 3 - Assessment of General Characteristics

14 free questions / 42 in app 6% exam weight

Study guide for Part 3 of BS 7671 18th Edition — supply systems, external influences, compatibility, maintainability, and load assessment.

4

Part 4 - Protection for Safety

24 free questions / 126 in app 15% exam weight

Study guide for BS 7671 Part 4 — protection against electric shock, overcurrent protection, RCDs, and thermal effects. The highest-weighted exam topic.

5

Part 5 - Selection and Erection of Equipment

28 free questions / 155 in app 14% exam weight

Study guide for BS 7671 Part 5 — cable selection and sizing, wiring systems, earthing arrangements, switchgear, and isolation requirements.

6

Part 6 - Inspection and Testing

14 free questions / 35 in app 4% exam weight

Study guide for BS 7671 Part 6 — initial verification, periodic inspection, the testing sequence, and certification (EIC, MEIWC, and EICR).

7

Part 7 - Special Installations or Locations

12 free questions / 155 in app 7% exam weight

Study guide for Part 7 of BS 7671 — special locations including bathrooms, swimming pools, construction sites, agricultural premises, solar PV, and EV.

8

Part 8 - Prosumers Installation

8 free questions / 19 in app 5% exam weight

Study guide for Part 8 of BS 7671 18th Edition — prosumer installations, energy storage, grid connection, and safety for local generation.

?

Use of Appendices

6 free questions / 79 in app 3% exam weight

Study guide for the BS 7671 Appendices — current-carrying capacity tables, Zs values, cable sizing, IP code classification, and external influences.