INSPECTION AND TESTING
INSPECTION AND TESTING
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Examen
Inspection and Testing – 2391 Written Exam Practice Questions and Answers (Mock Test 1) – Electrical Installation Testing Revision Guide
NuevoThis document provides practice questions and accurate answers for the 2391 Inspection and Testing written exam. It covers essential electrical testing principles including insulation resistance testing, continuity testing, earth fault loop impedance, polarity checks, RCD testing, and safe isolation procedures. Designed as a revision aid for electrical installation candidates, the material focuses on key theory concepts, testing procedures, and interpretation of results in line with BS 7671 r...
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Examen
Inspection And Testing Exam Questions Well Answered Latest Update 2026
PopularINSPECTION AND TESTING EXAM QUESTIONS WELL ANSWERED LATEST UPDATE 2026 Sight, hearing, touch and smell - Answers What are senses we use? Finger barriers, tip size not exceeding 4mm (recommend 2mm or less), propes fused with high breaking capacity fuse with rating not exceeding 500mA - Answers What do GS38 propes need to have? Adequately insulated, colour coded (ie DC voltage), flexible, sheathed, a correct length and no exposed conductors. - Answers What do GS38 leads need to have? Chec...
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