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Home Electrical, EV & Electronic Electrical Test Equipment (18th Edition) 18th Edition Books

IET Guidance Note 3: Inspection & Testing, 10th Edition

Key reference book
Updated to 18th Edition Amendment 4
Test and inspect in line with current regulations

SKU

PWG3184B

MPN

PWG3184B

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Description Technical Info Reviews

The IET Guidance Note 3 is a key reference for professionals conducting testing and inspection of electrical installations. It also supports those preparing for inspection and testing qualifications.

IET Wiring Regulations BS7671 Amendment 4: What has changed?

Fully updated to BS 7671:2018+A4:2026 (18th Edition Amendment 4:2026), this edition provides clear guidance on:

Conductor identification
Stationary secondary batteries
Prosumer electrical installations
Initial inspection frequencies
Maximum permissible measured earth fault loop impedance (EFLI)

The guidance ensures testing and inspection work is performed accurately, safely, and in line with current regulatory requirements.

18th Edition Amendment 4 Training Courses

IET Wiring Regulations BS7671 Amendment 4: Transitioning from old to new regulations.

IET Guidance Note 3 has been updated in line with the 18th Edition Wiring Regulations' Amendment 4 update. All electricians, electrical contractors and designers must work according to the latest wiring regulations. Moreover, a valid 18th Edition qualification is necessary for enrolling in recognised Competent Person Schemes (CPS) and applying for an ECS card.

As such, to help you get up to speed with the latest changes and attain a relevant qualification, we offer a City & Guilds 18th Edition Wiring Regulation Course (in-person and online). It provides essential knowledge of the BS 7671 Wiring Regulations, ensuring you can design, install, and verify electrical systems to current UK electrical standards.

Upon completing the course, you will be awarded a Level 3 certificate, enhancing your professional credibility and supporting career progression.

Get Compliant - Register for a City & Guilds 18th Edition Course Near You

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