New for BS 7671:2018+A4:2026, The 18th Edition of the IET Wiring Regulations, NAPIT’s industry-leading EICR Codebreakers printed and digital edition books. The only purpose written publication to aid contractors, inspectors, and clients has now been updated to align with the 18th Edition of the IET Wiring Regulations. The initial information has been extended and now covers more information to guide contractors, inspectors, and clients through the pitfalls of this highly technical area of the industry.

New for BS 7671:2018+A4:2026:

- Existing codes updated to the new 18th Edition of BS 7671:2018+A4:2026.

- Additional changes which incorporates all previous amendments to the standard.

New inclusions within BS 7671:2018+A4:2026 are:

Stationary Secondary Batteries where the purpose is for electrical storage and supply of electrical installations; Functional earthing and functional equipotential bonding for information and communication technology (ICT) equipment and systems; and the inclusion of a schedule of test results for recording the resistance of supplementary protective equipotential bonding conductors.

The On-Site Solutions Guide allows the electrical contractor to be fully armed with a wealth of industry knowledge and best practice all in one publication.

Contents cover Parts 1 to 7 of BS 7671 and provide useful solutions for:

With their wealth of experience and knowledge in this particular specialist and notoriously difficult area, NAPIT have taken the combined knowledge of their technical experts and produced a publication specific to inspectors and testers' needs. Initial Verification, and Periodic Inspection and Testing covers everything you need to carry out initial verification and periodic inspection, including the tests and production of the relevant certificates or Report.

Some of the topics covered are: