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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.

 

Sockets in a Bathroom
BS 7671 Technical Guides

Socket in a Bathroom

Byprocertssoftware 19/03/202227/03/2025

Are sockets in bathrooms permitted or not? Read more to find out if a socket is permitted in a bathroom.

Read More Socket in a BathroomContinue

Spurs in a Bathroom
BS 7671 General Technical Guides

Spurs in Bathrooms

Byprocertssoftware 10/03/202203/05/2025

Are spurs in bathrooms permitted? Yes, but only if certain conditions are met, read more to find out what those conditions are.

Read More Spurs in BathroomsContinue

BS 7671 18th Edition Amendment 2
BS 7671 News

Pre-order BS 7671 Amendment 2 2022

Byprocertssoftware 26/01/202209/04/2025

BS 7671 18th Edition Amendment 2 2022 is now available to pre-order.

Read More Pre-order BS 7671 Amendment 2 2022Continue

Maximum demand diversity
BS 7671 How to Technical Guides

How to calculate diversity and maximum demand

Byprocertssoftware 21/04/202109/04/2025

Diversity Calculator App. How to calculate total connected load, apply diversity and calculate the maximum demand, with examples. Download for iOS & Android.

Read More How to calculate diversity and maximum demandContinue

Cooker Switch Behind Oven
BS 7671 Technical Guides

Cooker Switch Distance from a Hob or Cooker

Byprocertssoftware 26/07/202009/04/2025

Guidance on the minimum distances electrical accessories such as sockets and switches can be installed from an oven, hob or free standing cooker.

Read More Cooker Switch Distance from a Hob or CookerContinue

Bathroom IP Ratings
BS 7671 Technical Guides

IP Ratings of Equipment in Bathrooms

Byprocertssoftware 19/07/202003/05/2025

IP rating tables for electrical equipment installed in a room containing a bath or shower.

Read More IP Ratings of Equipment in BathroomsContinue

EICR how often
BS 7671 Testing & Inspecting

EICR Frequency of Inspections

Byprocertssoftware 19/07/202030/03/2025

Frequency of EICR inspection tables for all types of electrical installations. Tables for routine interim inspections and full inspection and testing.

Read More EICR Frequency of InspectionsContinue

18th Edition Amendment 1
BS 7671 News

18th Edition Amendment 1

Byprocertssoftware 30/09/201909/04/2025

BS7671 Amendment 1 – Section 722 Electric Vehicle Charging Installations.
Also download the Corrigendum to BS 7671 pdf.

Read More 18th Edition Amendment 1Continue

MCCB Zs Values
BS 7671 General

MCCB Max Zs Values

Byprocertssoftware 13/09/201928/03/2025

Maximum earth loop impedance values (Zs) for BS EN 60947-2 MCCB’s vary between manufactures. Find the correct chart with the Max Zs Values app.

Read More MCCB Max Zs ValuesContinue

60942-7 Max Zs Tables
BS 7671 General

60947-2 Max Zs Charts

Byprocertssoftware 13/08/201930/03/2025

Print or download max Zs tables for BS EN 60947-2 protective devices with the max zs values app.

Read More 60947-2 Max Zs ChartsContinue

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