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Discuss Getting DNO to provide an earth... What are my chances? in the Electrical Forum area at ElectriciansForums.net

DNS1

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Arms
Esteemed
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The missus' parents asked me to pop over and sort a nuisance trip problem the other week. Solved it with a new RCD, but noticed that the system was a TT, protected by a knackered VOELCB.

Said to them I'd have to come back and put an RCD over the whole system, but was then wondering whether the DNO would just upgrade it to PME if I asked.

It's an overhead supply, but the house isn't exactly out in the sticks... It's in a fairly large village about 3 miles from Oxford.

I've heard people say that in some areas the DNO will happily upgrade the supply on request. What does everyone think my chances are?
 
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sparks1973

in a word..crap!...best you`l get out of them is `well come and do it but we want cash for it`...just RCD the whole install...is there a garage with supply to it here as well?
 
S

Spazz

The DNO have a legal responsibility to provide an earth unless you are on a TT system.

If you are on a TT and cant get a stable earth then the DNO must come out and change you to PME or TN-S by law!
 

DNS1

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Arms
Esteemed
  • Thread Starter Thread Starter
  • #4
Thanks chaps...

Earth is currently fine for a TT, so looks like I'll just stick an RCD on the whole system.
 
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sparks1973

The DNO have a legal responsibility to provide an earth unless you are on a TT system.

If you are on a TT and cant get a stable earth then the DNO must come out and change you to PME or TN-S by law!
no they dont....they have a legal obligation to maintain an earthing arrangement using their aperatus..thats all....they DONT have a legal obligation to just provide you with an earth....lol....
 
E

Engineer54

If the overhead supply has been PME'd then you stand a very good chance that the local DNO will supply you with a PME connection. Generally it's always been free of charge, It's only been relatively recent that some supply companies have been charging for this connection. Even if they do charge, (as i say most Don't) it's money well spent....

A PME connection is always going to be far better than a standard UK TT installation relying totally on a single RCD for your earth fault protection. So make the call to the DNO and ask if that connection is available. Let's face it, if you don't at least ask, you won't know and you won't get!!!

I can't understand why anybody would advise you not to bother inquiring!!!!
 
P

Plonker 3

If the overhead supply has been PME'd then you stand a very good chance that the local DNO will supply you with a PME connection. Generally it's always been free of charge, It's only been relatively recent that some supply companies have been charging for this connection. Even if they do charge, (as i say most Don't) it's money well spent....

A PME connection is always going to be far better than a standard UK TT installation relying totally on a single RCD for your earth fault protection. So make the call to the DNO and ask if that connection is available. Let's face it, if you don't at least ask, you won't know and you won't get!!!

I can't understand why anybody would advise you not to bother inquiring!!!!

If only, got to change the girlfriends parents DB, went to look the other day only earthed via the water pipe. Rang western power who cahrge £119 plus vat to fit a PME :rant:
 
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drew35

I've never been refused yet, I think a lot of people just like to DNO bash. Its as simple as dialling a number and asking them to do it, could be £35+vat, could be £119+vat. Their as hard up as the rest of us so they tend to charge now when once they didn't. No harm in a phone call, or a site visit.
 
M

Mark_Burgess

The DNO have a legal responsibility to provide an earth unless you are on a TT system.

If you are on a TT and cant get a stable earth then the DNO must come out and change you to PME or TN-S by law!
No they don't, and they can't upgrade you unless it is available!
 
1

1shortcircuit

Just arranged a PME upgrade for a client of my own. The DNO want to charge a hundred and something odd quid but like I mentioned to the client, it's worth every penny as their system is maintained and more reliable than the current earthing arrangement that is being used.

Not too sure about the 77 quid that they want to fit an isolator though, seems a bit steep to me???

Current earth is a 2.5mm length of cable going out through the wall to a piece of bent over copper tube, I sh*t you not. No clamps, just wrapped around the pipe in the flower bed and gas/water pipes in the house. (Blue/Brown T&E)
 

Amp David

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Mentor
Arms
My recent DNO visit resulted in them supplying and earth at a property that has never had one from the day electric was taken to the property. No earth rod anywhere either.

No charge, just said they'd replace old service head and supply an earth.
 
R

Rob Smith 643

Just arranged a PME upgrade for a client of my own. The DNO want to charge a hundred and something odd quid but like I mentioned to the client, it's worth every penny as their system is maintained and more reliable than the current earthing arrangement that is being used.

Not too sure about the 77 quid that they want to fit an isolator though, seems a bit steep to me???

Current earth is a 2.5mm length of cable going out through the wall to a piece of bent over copper tube, I sh*t you not. No clamps, just wrapped around the pipe in the flower bed and gas/water pipes in the house. (Blue/Brown T&E)
Interested to know what readings you got for pfc etc?
 
S

sparks1973

If the overhead supply has been PME'd then you stand a very good chance that the local DNO will supply you with a PME connection. Generally it's always been free of charge, It's only been relatively recent that some supply companies have been charging for this connection. Even if they do charge, (as i say most Don't) it's money well spent....

A PME connection is always going to be far better than a standard UK TT installation relying totally on a single RCD for your earth fault protection. So make the call to the DNO and ask if that connection is available. Let's face it, if you don't at least ask, you won't know and you won't get!!!

I can't understand why anybody would advise you not to bother inquiring!!!!
and who advised anyone against trying their hand with the DNO eh?..
 
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sparks1973

My recent DNO visit resulted in them supplying and earth at a property that has never had one from the day electric was taken to the property. No earth rod anywhere either.

No charge, just said they'd replace old service head and supply an earth.
well arn`t you the spawny one then.....as believe me they usually will charge....or attempt to fob you off over the phone...lol...,
 
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