Guidance Note 3: Inspection & Testing (Electrical Regulations)

Guidance Note 3: Inspection & Testing is a fundamental guidance book essential for all professionals involved with the testing and inspection of electrical installations. This 10th edition provides essential guidance for those studying for inspection and testing qualifications and has been fully updated to align with the latest standards.

• Fully updated to comply with BS 7671:2018+A4:2026.
• Includes guidance on the identification of conductors.
• Covers requirements for Stationary Secondary Batteries.
• Addresses Prosumers Electrical Installations.
• Details Recommended initial frequencies of inspection of electrical installations.
• Specifies Maximum permissible measured earth fault loop impedance (EFLI).

• Fundamental guidance for electrical installation testing and inspection.
• Essential resource for qualification study.
• Authored by The Institution of Engineering and Technology.

• Brand: Institution of Engineering and Technology
• Edition: 10th Edition
• Binding: paperback
• Language: English
• Print Length: 192 pages
• Series: Electrical Regulations
• ISBN-10: 1837240485
• ISBN-13: 978-1837240487
• Dimensions: 210 x 51 x 297mm (Approx. 21 x 5.08 x 29.7 cm)
• Weight: 648g
• Publication Date: June 10, 2026
• EAN: 9781837240487
• Release Date: 10 Jun 2026

Ensure your testing and inspection practices meet the current regulatory requirements with this authoritative guide from the Institution of Engineering and Technology.