IET Wiring Regulations 18th Edition BS 7671: 2018 Requirements for Electrical Installations

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Product Overview

BS 7671:2018 Requirements for Electrical Installations was issued on 1st July 2018 and came in to effect on 1st January 2019. Installations designed after 31st December 2018 are to comply with BS 7671:2018. The Regulations apply to the design, erection and verification of electrical installations, also additions and alterations to existing installations.

There have been corrigendum’s issued to the Regulations which can be viewed and downloaded in the IET website

Amendment 1 to the Regulations BS 7671:2018+A1:2020 Corrigendum May 2020 has been issued and contains an updated Section 722 (Electric Vehicle Charging Installations) only. The document is free to view online at

The Regulation (556 pages) consists of the following parts

  1. Scope, Object and Fundamental Principles
  2. Definitions
  3. Assessment of General Characteristics
  4. Protection for Safety
  5. Selection and Erection of Equipment
  6. Inspection and Testing
  7. Special Installations or Locations
  8. Appendices


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