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Lol.  Are you serious?  I thought it would be a bit of a hike for you?  Anyway, let me double check original readings were taken correctly first!

Hi Canoeboy, With the feed back that I have had here and elsewhere I will finish the job I was asked to do which is to identify and rectify the fault causing the RCD to trip in the converted Stable block.  From eliminating the circuits one by one at the stable DB I know which lighting circuit...

Hi Rob_the_rich, ""  It must be something in the house which is giving you that voltage, possibly electronics. You could switch all the breakers off and test the main switch outlet points again for voltage to earth, then test each mcb outlet. Might narrow it down."" I wonder if the Solar PV...

Deal, will PM you on Monday.

Canoe, Lol.  I'm also restoring a  25 ft 1938 Robert Clark sloop, do stop by at any time! Noz and Canoe - you cant pay for experience, no matter what it costs!  I would happily pay.  And if steptoe only wants girls and beer then that is easy to arrange. My day was Raffles.

Hi Canoeboy, I don't disagree with anything you have said in your last post and I may take you up on your offer to come down - I would pay you of course.  But I would be grateful if you could at least read my posts from the start as other posters have brought much confusion to the topic.

Thanks Andy, Yawn. resistance of the earth electrode Mr.canoe It seems to me that you all have answers (to something) but nobody wants to address the issue that I have asked about.  Read my posts and if you have something meaningful to add then please contribute, if not get off the ...

Electrical background is the EAL Gold course at Trade Skills 4 U.  17th edition, Part P, Inspection and Testing.  If you take the time to read ALL the posts on this thread (which many don't bother) then you will know that I am suitably qualified - yet inexperienced!  'm not setting out saying I...

Advertising, boat building (BBA Lyme Regis), electrician. 

Canoeboy, South West, Salisbury way.  PS mid way through building a strip plank canoe.

I realised after that I had not removed the bonding for the Ze so will be taking again on monday.

Hi Pro Dave.  Yes all checked, please refer to my previous posts where I explain what I have tested and the results.  The fault voltage was only recorded when the system was de-energised (isolated from main supply by main RCD located between the meter and the CCU).  When energised no fault...

Trailer Boy, Blue Duck, I should have said that I had first used a  Martindale VI137002 Voltage Tester & PD440 Proving Unit Kit to perform safe isolation however the Martindale only has lights that illuminate to show what voltage is being recorded - it showed as 50V +.  So I used the...

Blue Duck, Agree with you absolutely and I would use my small multitester to measure those voltages.  But the Kewtech 64DL obviously isn't designed to measure those levels.  Why not?  Ask Kewtech.  They sell quite a lot of them in a competitive market so they must have their reasons.

Kerching, With the supply at the converted stable block still wired to the mcb at the house CCU (but with the supply to the CCU isolated) I read the following volts at the DB in the stable block: L - N <25V  which I would expect E - L  65V E - N 65V With the supply to the DB at the...

The reason the Kewtech 64DL shows a reading <25V is because 50 or less is not harmful to humans and less that 25 is not harmful to animals. If you need a specific voltage reading below 25 volts (which we don't need for domestic inspection and testing) then you just need a small household...

Thanks John and everyone (including Paul, Lol), Extensive testing to come, I'll report back next week.

New Venture yes correct. I forgot to say that the reading was doc volts, I know that sounds absurd. Do volts Dc volts

Sparky bob, of course. But my point is that all the 2 pole voltage testers that I have seen don't tell you how many volt s there might be if the reading is less than 50V, just that the reading is less than 50v. So at least the Kewtech 64Dl says it's less than 25V!

sparky Bob, agree completely. But I repeat the stable is not the issue here, it was part of my post as background to the issue I was looking for help with. It was just that the issue here that I am asking about became apparent when performing safe isolation at the the stable.