Recent content by PetesHouse

Thanks for all the very informative replies Well spotted Spark123 thanks for the correction :oops: Just to further clarify in my mind hoping the coin will drop: Zs maybe taken by direct measurement with EFLI tester with Earth and Bonding all connected, hence the parallel paths and lower...

Oh sorry it was rather an old post ! I have'nt been on the forum for quite some time and was just browsing thru But I also didn't realise there was a time limit on posting comments? Ok perhaps the OP maybe long gone but there maybe new or perhaps more knowledgeable members who may come back...

Is it possible that its been converted to a TT (earth electrode) supply via the swa cable?

Thanks for the reply So its all down to parallel paths and EFLI testing I understand that Zs can be determined by calculation Zs= Ze(R1+R2) where Ze is obtained by enquiry from the DNO so the questions poses how much variation is acceptable between this calculation and taking a direct...

Hi just looked at a test result given on electrical installation cert to a friend for an install and wandered should alarm bells be ringing? R1+R2 = 0.41 ohms R2 = 0.21 ohms Zs = 0.2 ohms Now I thought Zs was obtained by Ze + (R1+R2) So I don't know how they arrived at 0.2 for Zs am i...

Hi Stuart thanks for the reply Granted it may not be easy but how is it done? Yep pretty much what I suspected,the concrete at ground level is less than 2ft wide then there is the front garden,if I remove the concrete would I need to do anything to ensure drainage given that removing the...

Hi we have a 1890's terraced (non cavity wall) in need of some tlc The front of the house probably needs re-pointing completely,but my initial concern is the ground level and up to the slate dpc.There are no visible signs of damp inside the house but as can be seen by the pictures the course...

1890's terrace 3 bed needs tlc