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Practical, standards-led guidance on electrical design and installation for high-end residential and commercial buildings – from distribution strategy and EICRs to EV charging and emergency lighting.

Electrician testing circuits in a distribution board with a multimeter

Electrical Engineering18 July 2026· 8 min

BS 7671 Explained: The Electrical Certificates Every Developer and Client Should Understand

What the IET Wiring Regulations actually require, what changed in Amendment 4:2026, and how to read the certificates – EIC, MEIWC and EICR – that decide whether your project is compliant, insurable and sellable.

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