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Hi, So I now have 16mm 3 core SWA in the trench and if I now use the earth to provide an equipotential bond the workshop with the house earth do I still provide a local earth rod/tape? I was just wondering what happens if a workshop socket was used outside as the earth potentials could be...

Hi, Yes there will be a sink and metal fixed benches. The roof trusses are going to be fabricated out of steel. I will be feeding it with 16 mm SWA and protecting at the CU with 32 Amp breaker. Regards, Dave

Hi, It isn't recommended that a PME earth is extended outside of the equipotential area: http://www.diynot.com/forums/viewtopic.php?t=125007 Regards, Dave

Hi All, I want to provide earthing for a workshop remote from the house and not wanting to export the PME earth I am going for TT. The ground is decent soil but has many stones in it that would make driving rods in it somewhat hit and miss so I thought that I would bury the earth when I...