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Pro Certs Software > Electrical Blog > Maximum Zs Values

Tag: Maximum Zs Values

Convert Old Zs Values to 18th Edition Zs Values
11/08/202212/08/2022

Convert Old Zs Values to 18th Edition Zs Values

Convert Zs values from a previous version of BS 7671 to BS 7671 18th edition 230v Cmin values.

AFDD Max Zs Values
28/04/202228/06/2023

AFDD Max Zs Values

Here we answer a common question we keep getting asked: What is the max Zs for AFDD’s?

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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