Inspection and testing focus
Revise initial verification, periodic inspection, test instruments, certificates and inspection reports.
Guidance Note 3
Free GN3 inspection and testing mock exams
Practise initial verification, periodic inspection and EICR reporting
Build quick topic drills or a full 60-question mock exam, then review explained answers and GN3 references updated to BS 7671:2018+A4:2026.
2391 and EAL exam revision
City & Guilds and EAL exam revision
Suitable for learners revising for City & Guilds 2391-50 Initial Verification, 2391-51 Periodic Inspection and Testing, 2391-52 Initial and Periodic Inspection and Testing, and equivalent EAL Level 2-3 inspection and testing awards.
Built around Guidance Note 3: Inspection and Testing, updated to BS 7671:2018+A4:2026.
Short quiz or mock exam
Use quick 5-10 question drills or build up to a full mock exam, including 60-question practice for City & Guilds 2391-52.
Condition report practice
Sharpen classification-code decisions across C1, C2, C3 and FI reporting scenarios.
How to revise
Use more than GN3
Some inspection and testing exam questions use related guidance such as GS38 and knowledge of how to code and classify issues on the EICR. Getting familiar with these documents can edge your score up.
HSE GS38
Free download covering test leads, probes, voltage indicators, proving units and safe live testing.
Best Practice Guide 4: Electrical Installation Condition Reporting
Free download covering classification codes for domestic and similar electrical installations.
Use the links above to access the free downloads and get familiar with the extra guidance before the exam. In the exam centre you should expect to be allowed GN3 only, so treat GS38 and Best Practice Guide 4 as revision support rather than documents you can take in.
Practise by topic
Practise GN3 inspection and testing by topic
Revise safe isolation, continuity testing, insulation resistance, polarity, earth fault loop impedance, RCD testing, certificates, EICR classification codes and more.
Quiz setup
Build your GN3 practice test
Select the full GN3 mock exam or focus on one inspection and testing topic. Every attempt gives you a fresh practice set.