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BS 7671

BS 7671 18th Edition

BS 7671 Requirements for Electrical Installations is published by the Institute of Engineering and Technology (IET) London, in agreement with the British Standards Institute (BSI).

The British Standard BS 7671:2018+A2:2022 was published under the joint authority of the IET, and of the Standards Policy and Strategy Committee on 28th March 2022.

If you find any errors within BS 7671 18th Edition then you can contact Committee Manager, The IET, Six Hills Way, Stevenage, SG1 2AY.

 

Socket and switch distances from a hob
BS 7671 Technical Guides

Local Isolation for Kitchen Appliances

Byprocertssoftware 11/03/201909/04/2025

Recommended locations of local isolators and fused spurs for kitchen appliances, distances and locations to be readily accessible, find out here.

Read More Local Isolation for Kitchen AppliancesContinue

Socket Distance From a Sink
BS 7671 Technical Guides

Distance of a socket from a sink

Byprocertssoftware 24/02/201909/04/2025

Recommendations and guides on locating sockets, spurs and isolators near a kitchen sink. Electrical accessories should be located at a safe distance from sink or drainer unit.

Read More Distance of a socket from a sinkContinue

18th Edition Zs Values
BS 7671 News

Max Zs Values 18th Edition BS 7671

Byprocertssoftware 19/01/201903/04/2025

Learn how to calculate the maximum earth loop impedance values to the 18th edition of the wiring regulations. 100% and temperature adjusted Zs.

Read More Max Zs Values 18th Edition BS 7671Continue

Surge Protection Types
BS 7671 General Technical Guides

SPD Surge Protection Devices – Types & Uses

Byprocertssoftware 18/01/201902/04/2025

Discover the types of SPD’s and the application of surge protection devices.

Read More SPD Surge Protection Devices – Types & UsesContinue

what is an AFDD
BS 7671 Technical Guides

AFDD’s Arc Fault Detection Devices – Do we need them?

Byprocertssoftware 11/01/201909/04/2025

Discover when it is a requirement to install AFDD’s in this handy AFDD guide.

Read More AFDD’s Arc Fault Detection Devices – Do we need them?Continue

IP Ratings Table
BS 7671 Technical Guides

IP Rating Codes Explained

Byprocertssoftware 05/01/201903/05/2025

IP ratings (Ingress Protection) codes explained, what are IP codes and what do their ratings mean.

Read More IP Rating Codes ExplainedContinue

Surge Protection Types
BS 7671 General

Electrical Charts BS 7671

Byprocertssoftware 12/12/201802/04/2025

Print electrical charts directly from an app, the new impending 2019 free update of the Electrical Tools & Reference app will include new updated electrical charts with a new print function to enable you to print the BS 7671 electrical charts and guides straight from your iPad, iPhone or Android device. Along with the print…

Read More Electrical Charts BS 7671Continue

18th Edition Amendment 1
BS 7671 General

BS 7671 Wiring Regulations History

Byprocertssoftware 06/07/201803/04/2025

BS 7671 history and publication dates of all previous versions of the wiring regulations starting in 1882.

Read More BS 7671 Wiring Regulations HistoryContinue

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