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