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Checking Appliance Earthing.

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Today I spoke to the manager of a local chain of domestic appliance retail shops. The chain sells and installs appliances like cookers and ovens etc. I asked the manager if they carry out an earth fault loop impedance test to confirm adequate earthing of the supply circuits and good earthing of appliances like cookers. He said that they did not. He asked me what test gear is used to carry  out the tests. I was shocked by this. People are having appliances installed by unqualified installers and the earthing effectiveness is not being tested.


Also his shop has nuisance tripping of the R.C.D. when several appliances are turned on. In particular washing machines cause tripping. Probably down to the 50 appliances each leaking a small current to earth via their internal mains filters. Get the cheapest quote. That''ll do. That's Norfolk for you.



Z.


Z.
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  • 0
    I was called to a cooker installation a while ago because curries had refused to connect, stating that the property had no earthing. On arrival it turned out the property was a TT system all test readings adequate and RCD in place.

    I called the installers on behalf of the client and asked them to explain their refusal. The guy I spoke to had no idea what I was talking about when I explained to him that the installation was fine.
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  • 0
    I was called to a cooker installation a while ago because curries had refused to connect, stating that the property had no earthing. On arrival it turned out the property was a TT system all test readings adequate and RCD in place.

    I called the installers on behalf of the client and asked them to explain their refusal. The guy I spoke to had no idea what I was talking about when I explained to him that the installation was fine.
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