Thoughts?
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Discuss Main incomer in the UK Electrical Forum area at ElectriciansForums.net
What an utterly bizarre thing to do with the 'DNO earth' and a Henley block!I went to this one not so long ago!
Interesting titbit about those clamps. There was a period (late 70s I think), when 951 clamps were specified as suitable for providing TN-S earthing. This came up on one of the E5 podcasts I believe - possibly one on coding for EICRs.@Peakyblinder89
Did you get a good outcome from the visit?
Or did they not attend like a job I have been on where they promised to come out and didn't bother? And yes it has got a bs951 earth clamp around the incoming cable!View attachment 87011
Spoke to my client last thing today to see how they got on, she said shes still waiting to hear back from SP customer service, shes going to chase them again tomorrow@Peakyblinder89
Did you get a good outcome from the visit?
Or did they not attend like a job I have been on where they promised to come out and didn't bother? And yes it has got a bs951 earth clamp around the incoming cable!View attachment 87011
I generally get the DNO out to get rid of the 951 clamp had it a few times when doing a Ze test where there was arcing at the clamp, the first time I found the problem I heard a noise when I pressed the test button tried it a second time and heard it again switched the cupboard light off and hit the test button again and saw the flash at the clamp. When the DNO removed the clamp you could actually see where it had arced on the clampInteresting titbit about those clamps. There was a period (late 70s I think), when 951 clamps were specified as suitable for providing TN-S earthing. This came up on one of the E5 podcasts I believe - possibly one on coding for EICRs.
So it's possible that it was compliant when it was installed, and not just a bodge by someone later on - although that is of course a very real possibility...
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