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18th EditionElectrical — 18th Edition
BS 7671: shock protection and ADS, earthing and bonding, overcurrent and RCDs, cable selection, inspection and testing, special locations and safe isolation.
Electrical revision
Electrical revision
The two core electrical exams — the 18th Edition wiring regulations (BS 7671) and the 2391 inspection & testing depth. The study notes are free to read; Premium unlocks the full question bank.
- 638 exam-style questions
- 8 study notes
- 2 modules
18th Edition & Inspection
The two core electrical exams — the 18th Edition wiring regulations (shock protection, earthing and bonding, devices, cable selection, special locations) and the 2391 inspection & testing depth (the test sequence, instruments, loop impedance, RCD testing and certification).
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2391Inspection & Testing
BS 7671 Part 6 and GS38: test instruments, continuity, insulation resistance and polarity, earth fault loop impedance and fault current, RCD testing, and certification with EICR coding.