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Thanks Securespark, On the test sheet there is a measurement under the heading: External Loop impedance, Ze 0.31 ohms. I will get the Suppliers out to put the connection on properly, I am now quite concerned about it. So if the DNO would also connect to the sheath (but with a correct...

Sorry, just to clarify we moved into after it had had the extensions and questionable Electric work.... ;-)

Thanks for pointing this out, it did seem wrong.... It is an old house that we moved into, had several extensions over the years and I think alot of work has been carried out on the electrics that are questionable to say the least, hence the testing today..... On your response to the...

Many thanks for all of your replies, I have attached a picture of what is currently in place http://www.diynot.com/network/JMFUK/albums/1070/4225. The main recommendation was to upgrade the earth cable from 10mm to 16mm into the CU and ensure a 16mm earth to the Mains Water since whilst it is...

Hi All It has been recommended to me by an electrician that recently tested my house electrics that I should look to replace the current earth terminal on the consumer board with a proper earth block. I forgot to ask him what he meant by a proper earth block. Are there any specifications...

Many thanks for you reply. I think I will go the DP Switch route. I know it is not too much work but it does mean crawling round in a really small loft maintaining various stress positions :) . My calcs are probably wrong, thanks for correcting me ..... it did sound a bit high! On the...

Hi All This is my first post to the forum having read it quite a bit over the last year or so. I have tried to find an answer to my situation in the FAQ and WIKI and past posts but did not find it exactly so decided to post. I hope I am not covering old ground with this. I have notified...