First time doing an EICR on a flat | Page 2 | on ElectriciansForums

Discuss First time doing an EICR on a flat in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

The orange cable is a split concentric cable providing an SNE (TNS) service, the orange outer sheath denotes that it is LSF cable.

The consumers earth should be connected into the earth block provided, not into the service head. I would guess that an installer misunderstood the type of supply and assumed it was TNCS.
As we all know they rather quickly stopped using TNCS for the distribution within a block of flats as it leads to diverted neutral currents flowing through structural steelwork and other services causing all sorts of problems.
Hi Dave thanks for the info
I revisited the premises to change a cooker switch and redone the test from the MET with MET disconnected from DB still got 0.14 ohms ..
 

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