This NICEIC Site Guide provides clear, practical guidance for contractors working on electrical installations in dwellings. It supports good practice across design, construction, inspection, testing and certification, helping you apply the requirements of BS 7671:2018+A4:2026 with confidence.

Focused on installations up to 100 A, the guide explains key safety principles and fundamental protective measures in a format designed for quick reference on site. Regulation numbers are included throughout to support accurate interpretation of the Standard.