What earthing system have we got here? | on ElectriciansForums

Discuss What earthing system have we got here? in the UK Electrical Forum area at ElectriciansForums.net

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Went to a house to extend a circuit and upon doing the minor works I couldn't figure the earthing system. There was no DNO cutout and L and N came from overhead powerlines. I followed the main earth cable down and it went half a foot below the consumer unit to a connector block with 3 small, maybe 2.5 earth singles which disappeared behind the wall. The Ze (from said main earth) was 0.33. PFC though was 14A? That doesn't make sense giving that 230/0.33 = 0.7Ka
Any thoughts?
 
Good evening. Well done for beating Australia in the Rugby.

To help you we need some more pictures and information on the overhead supply (ie old 4 wire or ABC), intake details, is supply PME?, earthing conductors, equipotential bonding in place and earth electrodes if they exist. Plus, what MFT you are using and how you used it.

Are you going back?
 

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