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Requirements for Electrical Installations. IET Wiring Regulations

 2018 Edition
Includes all amendments and changes through Amendment 2, March 28, 2022

Published by British Standards Institution, March 28, 2022

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Description

BS 7671, 2018 Edition – Requirements for Electrical Installations. IET Wiring Regulations

What is BS 7671 – IET Wiring Regulations about?

BS 7671 is the important national standard provides authoritative requirements to help ensure electrical installations are safe and comply with UK law. BS 7671:2018+A2:2022 introduces a new requirement for Arc Fault Detection Devices (AFDDs), updated requirements for the fire safety design for buildings and a new chapter on prosumer low voltage electrical installations. All electrical installations must comply with the updated guidance in BS 7671:2018+A2:2022 from 28 September 2022.

Who is BS 7671 – IET Wiring Regulations for?

BS 7671 on the requirements for electrical installations can be adopted by:

  • Electrical contractors
  • Electrical installation engineers
  • Wiring and installation inspection engineers
  • Electrical systems designers and installers
  • Manufacturers of electrical cable, luminaires, sockets, junction boxes, ducting, fuse boards, tests and safety equipment, switches etc
  • Regulators

What does BS 7671 – IET Wiring Regulations cover?

BS 7671 on the requirements for electrical installations sets out requirements that apply to the design, erection and verification of all new electrical installations and additions and alterations to existing electrical installations in the UK.

Although not a statutory document, BS 7671 sets the standard for how electrical installations should be done in the UK (and many other countries) and enables compliance with the law.

Why should you use BS 7671 – IET Wiring Regulations?

BS 7671 on the requirements for electrical installations is the most widely accepted way to evidence compliance with statutory requirements. In addition:

  • It provides a single reference point for almost all domestic and similar electrical installations
  • It increases the safety of electrical installations
  • It supports the sustainable development of renewable sources of electricity
  • It helps users stay up to date with new and innovative technologies
  • It improves the efficiency of installations
  • It’s the product of consensus among a comprehensive group of stakeholders

BS 7671 contributes to UN Sustainable Development Goal 7 on ensuring access to affordable, reliable, sustainable and modern energy for all; Goal 9 on industry, innovation and infrastructure; Goal 11 on making cities and human settlements safe, resilient and sustainable; and Goal 13 on taking urgent action to combat climate change and its impacts.

What’s new about BS 7671:2018+A2:2022?

BS 7671:2018+A2:2022 is an amendment to BS 7671:2018.

The major changes in BS 7671:2018+A2:2022 are:

  • A new requirement for Arc Fault Detection Devices (AFDDs) in some AC final circuits for installations in some types of higher risk residential buildings
  • The requirement for the fire safety design of buildings to be documented where specific conditions of external influence exist, such as protected escape routes and locations with risk of fire
  • A method for determining the requirement to provide overvoltage protection
  • Changes to identification, labels and notices, such as for consumer units, affecting how safety information is provided to the user of the electrical installation
  • A new chapter on prosumer low voltage electrical installations

General Product Information:

Revision 2018 Edition, March 28, 2022
Document Type PDF
Document Language English
ISBN 978 1 785 61170 4
Pages 624
Publisher British Standards Institution (BSI)
Status Current
Purchase Note All current amendments available at time of purchase are included with the purchase of this document.

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Cross References

BS 4678-4:1982

BS 5266-8

BS 5499-10:2014

BS 5499-4:2013

BS 7273-4:2015+A1:2021 – SET

BS 7629-1:2015+A1:2019 – TC

BS 7846:2015

BS 8434-2:2003+A2:2009

BS 8519:2020

BS 8592:2016

BS EN 1838:2013

BS EN 50171:2021

BS EN 50172:2004

BS EN 50200:2015 – TC

BS EN 60529:1992+A2:2013

BS EN 60598-2-22:2014+A1:2020

BS EN 60702-1:2002+A1:2015

BS EN 60702-2:2002+A1:2015

BS EN 61386-1:2008+A1:2019 – TC

BS EN 81-20:2020

BS EN ISO 7010:2012+A7:2017

BS ISO 3864-4:2011

IEC 60331-3

BS 5266-2:1998

BS 5266-4:1999

BS 5266-5:1999

BS 5266-6:1999

BS 7671:2018+A2:2022

BS 9999:2017 – TC

BS EN 12193:2018

BS EN 13032-3:2021 – TC

BS EN 60079-14:2014 – TC

BS EN 61347-2-7:2012+A2:2022

BS EN 62034:2012

BS EN ISO 9001:2015 – TC

BS ISO 3864-1:2011

HD 384

BS HD 60364-8-2:2011+A11:2019 – TC

PAS 79-1:2020