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Earthing arrangement

05ballard

I have visited a site to Inspect someone else’s ecir and one of the defects is that there is no earth supplied. 
 

The site has about 200 ish sheds that are currently fed off 25mm swa radials then reduced to 6mm swa to each shed but there is no earth through any of the swa now the other elec has gone and said that due to this all would need to pulled up and pulled up. The cable it’s supplied in you can’t earyj the sheath due to only having one copper Center and the sheath as the neutral. Each shed does have a earth stake but all are in bad condition or missing completely. Each shed is privately owned so my argument is that the site is suppling them with a live and neutral and it’s down to the shed owner to supply a earth and 100ma rcd protection am I correct? 

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    This is all very curious as who would wire up 200 sheds like this? DNOs do use direct burial of concentric and split concentric cables, and this seems to cause very little trouble. Where are the 200 sewer pipes connected? I think an inspection by a rather more informed inspector would be useful, as it is very unlikely that a single meter would be used for so many possible users.

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  • 0

    This is all very curious as who would wire up 200 sheds like this? DNOs do use direct burial of concentric and split concentric cables, and this seems to cause very little trouble. Where are the 200 sewer pipes connected? I think an inspection by a rather more informed inspector would be useful, as it is very unlikely that a single meter would be used for so many possible users.

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