IET Electrical Installation Design Guide, 6th Edition (2026)
Practical Electrical Design Calculations Made Simple
The Electrical Installation Design Guide 6th Edition is an essential reference for electricians, electrical designers, contractors and apprentices involved in the design and specification of electrical installations. Fully updated to BS 7671:2018+A4:2026, this guide provides step-by-step guidance on the calculations required for compliant electrical system design.
Designed for Everyday Electrical Design Work
Covering key design principles and calculation methods, this guide helps electrical professionals confidently size circuits, select protective devices and apply wiring regulations correctly. It's an invaluable resource for both experienced designers and those developing their electrical design knowledge.
Why choose the Electrical Installation Design Guide?
This practical guide simplifies complex electrical calculations and supports compliance with the latest Wiring Regulations, making it a valuable tool for design projects and training.
It provides clear worked examples and calculation guidance, helping electricians and designers complete installation designs accurately and efficiently.
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