High Loop Impedance reading

asalcedo · 2013-05-23T19:51:13+00:00

A washing machine engineer has refused to work on my faulty washingmachine because he carried out an earth fault loop impedance test andfound a high reading, I believe it was 3 ohms. He requires the circuit to be made safe before doing any work on thewashing machine. A PAT test has been done and confirms that the appliance earthinginsulation and earth leakage were ok I have been told by the PAT engineer that I need a niceic electricalcontractor to test the wiring Is this the only avenue to address this problem? How do I correct a high loop impedance reading? Thanks, Antonio

May 23, 2013 21 Replies

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asalcedo 13 years ago

Yes, there is that terminal block as seen in the attached picture.

It is then TN-S and I am in conversations with a qualified electrician to come and test the wiring. I am not at the property these days. Otherwise I would try to find the fault myself. With all the good information here I think I would likely be able to do it.

Many thanks.

Antonio

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John Rumm 13 years ago

Sounds like a plan... he can test the loop impedance at the head end - if that is high then the supplier should fix that free of charge. If that is ok, then its likely to be a fault in your circuit or possibly a faulty socket.

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