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Came across an existing TNS installation with earth rod fitted presumably no cable sheath earth and 100ma s type as main incomer and 30ma trip for rest of circuits.
The out building is fed via 30ma and cable enclosed in steel conduit which seems to provide the earth in outbuilding so earth loop is very high, and to add to the mix there is a water supply in the out building.
Should another earth rod be installed for the outhouse and disconnect existing earth supply from house rod?
Thanks in advance
The out building is fed via 30ma and cable enclosed in steel conduit which seems to provide the earth in outbuilding so earth loop is very high, and to add to the mix there is a water supply in the out building.
Should another earth rod be installed for the outhouse and disconnect existing earth supply from house rod?
Thanks in advance