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.
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.
Diversity Calculator App. How to calculate total connected load, apply diversity and calculate the maximum demand, with examples. Download for iOS & Android.
Guidance on the minimum distances electrical accessories such as sockets and switches can be installed from an oven, hob or free standing cooker.
IP rating tables for electrical equipment installed in a room containing a bath or shower.
Frequency of EICR inspection tables for all types of electrical installations. Tables for routine interim inspections and full inspection and testing.
BS7671 Amendment 1 – Section 722 Electric Vehicle Charging Installations.
Also download the Corrigendum to BS 7671 pdf.
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.
Print or download max Zs tables for BS EN 60947-2 protective devices with the max zs values app.
Recommended locations of local isolators and fused spurs for kitchen appliances, distances and locations to be readily accessible, find out here.
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.
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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