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Pro Certs Software > Electrical Blog > BS 7671

Category: 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.

 

How to calculate diversity and maximum demand
21/04/202127/09/2023

How to calculate diversity and maximum demand

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

Cooker Switch Distance from a Hob or Cooker
26/07/202014/06/2023

Cooker Switch Distance from a Hob or Cooker

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

IP Ratings of Equipment in Bathrooms
19/07/202014/03/2022

IP Ratings of Equipment in Bathrooms

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

EICR Frequency of Inspections
19/07/202010/09/2021

EICR Frequency of Inspections

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

18th Edition Amendment 1
30/09/201919/02/2022

18th Edition Amendment 1

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

MCCB Max Zs Values
13/09/201920/06/2023

MCCB Max Zs Values

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.

60947-2 Max Zs Charts
13/08/201920/06/2023

60947-2 Max Zs Charts

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

Local Isolation for Kitchen Appliances
11/03/201903/08/2023

Local Isolation for Kitchen Appliances

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

Distance of a socket from a sink
24/02/201914/06/2023

Distance of a socket from a sink

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.

Max Zs Values 18th Edition BS 7671
19/01/201930/06/2023

Max Zs Values 18th Edition BS 7671

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

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