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ProDave, Why do 2 pole voltage testers use a series of lights to show you have a certain amount of volts detected - they don't tell you how many volts you have if you have less than 50V for example and the light doesn't come on. If you were performing safe isolation which voltage tester would...

Andy, then it seems pointless that you are even bothering to engage in this topic. Likes Rubber and Water, CCU - Customer Consumer Unit

We all entered the wild once upon a time, short course or no. Hello Likes Rubber & Water™ Yes between E and N and E and L at the main CCU and 65V between the same points in the stable DB 250 feet away.  With L and N recording zero volts.

Hi John, As the issue is happening at the CCU in the house at 165V on earth with main switch off and 65V on earth at DB in stable with the main switch off (I'm guessing voltage drop over 250 odd feet distance is the reason for the difference) I guess the testing should start at the house - in...

Hi John, The issue here is not the stable, I know that the lighting circuit is causing the fault and next step is to run a continuity/insulation resistance to identify the fault and where it is. My post above was really about the issue of reading volts or no volts when the system is energised...

Which one would you suggest sir?

Hey Andy, absoluetly.  But not so helpful a reply in the circumstances.  If I knew where to test this I would be doing it.  I was hoping the for a pointer that experienced people like you might be able to provide.  Show me what you know please.

Thanks Rob, its a new tester for me (arrived today!) so still reading up on the specs!

Hi John, I'm using a Kewtech 64DL that automates many of the functions.  It records <25V on the screen readout when there is no voltage between the terminals.  I guess it would give a specific reading if it was more than 25V.  Using a 2 pole voltage tester on the same terminals and same...

Hi Everyone, Please read ALL of the post below before contributing as the fault is unusual (for me, newly qualified). My client called me out because turning on the lights in her (2009) converted stable block tripped the RCD (this is the main switch in the stable DB). Trying to re-set the rcd...