🛑 STOP Tripping the RCD - Earth Fault Loop Impedance Test

In this video Marcus explains why we set our MFT tester to 3 lead low and not 2 lead high in order to carryout an earth fault loop impedance on a circuit that has RCD protection. So we can carryout a earth fault loop impedance test it is important to select the correct setting on an MFT tester but do you understand why we often select 3 lead low setting when testing for earth fault loop impedance...

🔵 Earth Fault Loop Impedance Test - 3 Lead Low or 2 Lead High Test Explained
Earth Fault Loop Impedance Test - 3 L...

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