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Site cabin EICR

Paul Brewerton
Hi folks,


We have a site welfare cabin that needs an EICR. The cabin is powered by an onboard generator, which is connected to an earth electrode.

What is lowest acceptable resistance we are looking for when conducting an earth electrode test.


Thanks for any advice you can give, I have gone through BS7671 and IET GN3 and cant find the answer..


Paul


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    Paul


    I asked what the rating of the generator is because BS 7430 says only generators over 10kW ( I don't know why 10 kVA is not stated) it is recommended to be connected to an earth rod. BS 7430 recommends the earth resistance to be 20 ohms.


    The big questions are, what is the purpose of the earth rod? And without an earth rod what earthing system is deployed?
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    Paul


    I asked what the rating of the generator is because BS 7430 says only generators over 10kW ( I don't know why 10 kVA is not stated) it is recommended to be connected to an earth rod. BS 7430 recommends the earth resistance to be 20 ohms.


    The big questions are, what is the purpose of the earth rod? And without an earth rod what earthing system is deployed?
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