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NAPIT 02002700001 EICR Codebreakers Amendment 4 | A4:2026 Edition | BS 7671:2018+A4:2026
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EICR Codebreakers Amendment 4 | A4:2026 Edition | BS 7671:2018+A4:2026

SKU: 02002700001
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Pre-order for April 2026 now!
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EICR Codebreakers Amendment 4 A4:2026 is updated to BS 7671:2018+A4:2026. A purpose-written guide for contractors and inspectors, covering updated coding, stationary secondary batteries and functional earthing requirements. Pre-order now for April 2026 release.

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EICR Codebreakers Amendment 4 | A4:2026 Edition |

EICR Codebreakers Amendment 4 A4:2026 is the latest edition of NAPIT’s industry-leading publication, fully updated to align with BS 7671:2018+A4:2026, the 18th Edition of the IET Wiring Regulations.

Recognised as the only purpose-written guide dedicated to EICR coding, this publication supports contractors, inspectors and clients in navigating one of the most technically demanding areas of electrical compliance.

The initial guidance has been extended to provide clearer direction, helping professionals avoid common pitfalls when assessing and coding electrical installations.

Updated for BS 7671:2018+A4:2026

  • Existing EICR codes updated to Amendment 4
  • Incorporates all previous amendments to BS 7671

New Inclusions in Amendment 4

  • Stationary Secondary Batteries (electrical storage systems)
  • Functional earthing and equipotential bonding for ICT equipment and systems
  • Schedule of test results for recording resistance of supplementary protective equipotential bonding conductors

Whether carrying out domestic, commercial or industrial EICRs, the eicr codebreakers amendment 4 is an essential reference for consistent, compliant and defensible coding decisions.

Product Details

  • Product Code: 02002700001
  • Subject: Electrical Regulations
  • Release Date: April 2026 (Pre-Order)
  • Edition: A4:2026
  • Format: Printed & Digital Edition Available





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