Discuss TNS earthing & clamp in the UK Electrical Forum area at ElectriciansForums.net
If there's already a tail from the cable sheath to a block[MET] just connect into that, but if it's undersized by current standards I'd ask your local DNO to upgrade it.
That don't look like a genuine DNO connection to me....and... Is that black tape?
Some DNO's use to fit these years ago, however now they have "lost" all data and dont have a record of providing TNS to the property.
I had this in south wales, called DNO - came out and quoted almost £200 to fit a new clamp.
Called NAPIT technical - Advised if readings are within limits its not our issue, make a note on the cert. Advise customer to liase with DNO.
Reply to TNS earthing & clamp in the UK Electrical Forum area at ElectriciansForums.net
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