Blog
Longer pieces on the parts of the 2391-52 that cost candidates marks — written against BS 7671 and named guidance, with the reasoning shown.
An EICR on a rented property, step by step: inspection before testing, dead tests before live, and why Ze needs the installation isolated first.
Read the article →
How to measure Ze with the earthing conductor disconnected, then take PEFC and PSCC with it reconnected — and which figure becomes your Ipf.
Read the article →
How to classify EICR observations as C1, C2, C3 or FI, record defensible reasons and handle limitations under BS 7671 Part 6.
Read the article →
Where Ze, Zs, PFC and PSCC are measured, the maximum values for TN-S, TN-C-S and TT, and the safe isolation the live tests demand.
Read the article →
The test that decides between an Electrical Installation Certificate, a Minor Works Certificate and a Condition Report — and the schedules each needs.
Read the article →
How to choose between the four EICR classification codes, why C3 never makes a report unsatisfactory, and the one question that settles most coding decisions.
Read the article →
A revision plan for the City & Guilds 2391-52 — how to split open and closed book practice, what the exam weighting tells you, and where marks are lost.
Read the article →
The prove–test–prove sequence, GS38 requirements for probes and leads, why a multimeter is the wrong instrument, and how CAT ratings work.
Read the article →
The dead and live test sequence from Regulation 643.1 in order, with the reason each test comes where it does — and the reordering mistakes that cost marks.
Read the article →Free practice questions in every syllabus area, and the full bank with weighted mock exams in the app.
