This bundle includes: the IET Wiring Regulations is the national standard for electrical installations in domestic, commercial and industrial settings. It is the essential standard for all those concerned with the design, installation, certification and maintenance of electrical installations. Amendment 4:2026 is a major update to BS 7671:2018, The IET Wiring Regulations, Eighteenth Edition.

The On-Site Guide is a practical companion to BS 7671, designed to help competent electricians carry out installations up to 100 A, 3-phase with confidence and accuracy. It presents essential information from the Wiring Regulations in a clear, easy-to-use format that supports safe, compliant decision-making on site.

Guidance Note 3 is a key reference for anyone involved in the inspection and testing of electrical installations. Fully updated to align with BS 7671:2018+A4:2026, it offers clear explanations of the requirements and practical detail to support accurate testing, verification and documentation.