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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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    So some more information on the site. 


    there is a main incoming supply that feeds the whole site and is metered in a main room. Then from there is has different isolators with different fuses for different areas of the site. 2 of the areas have 25mm swa running underground and the has 6mm swa jointed off the 25mm swa under the ground but there is no earthing in any of the cabling. These then go to a isolator to is shed which has a basic cooking copactity and toilet but the site do own then all they own is the supply feeding to each shed. But the sheds are defined as a temporary building due to the nature of the building. But as a sites point of view do they have to supply a earth through the swa or can it be upto the owners of the sheds to install a earth rod.
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  • 0
    So some more information on the site. 


    there is a main incoming supply that feeds the whole site and is metered in a main room. Then from there is has different isolators with different fuses for different areas of the site. 2 of the areas have 25mm swa running underground and the has 6mm swa jointed off the 25mm swa under the ground but there is no earthing in any of the cabling. These then go to a isolator to is shed which has a basic cooking copactity and toilet but the site do own then all they own is the supply feeding to each shed. But the sheds are defined as a temporary building due to the nature of the building. But as a sites point of view do they have to supply a earth through the swa or can it be upto the owners of the sheds to install a earth rod.
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