Inspection and testing focus
Revise initial verification, periodic inspection, test instruments, certificates and inspection reports.
Guidance Note 3
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
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.
Revise initial verification, periodic inspection, test instruments, certificates and inspection reports.
Use quick 5-10 question drills or build up to a full mock exam, including 60-question practice for City & Guilds 2391-52.
Sharpen classification-code decisions across C1, C2, C3 and FI reporting scenarios.
How to revise
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.
Use the links above to access these free downloads and become familiar with their guidance before the exam. GS38 and Best Practice Guide 4 are useful revision resources, but you cannot take them into the exam.
Practise by topic
Revise safe isolation, continuity testing, insulation resistance, polarity, earth fault loop impedance, RCD testing, certificates, EICR classification codes and more.
Quiz setup
Select the full GN3 mock exam or focus on one inspection and testing topic. Every attempt gives you a fresh practice set.