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dno

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  1. K

    DNO diversity calculations

    Hi, first post so please accept my apologies for going straight in with a question. Sorry if this is a bit long winded but I thought knowing the full story may help. We bought an old semi detached cottage about 7 months ago which is at the end of a 320m overhead LV supply. Initially this...
  2. kkkkk

    2 Consumer Units run from one 100A DNO fuse - cable size?

    Hello all !! Situation - 100A DNO fuse in house no 1, running CU in house no 1 - home owner wishes CU in house no 2 to be run from the same DNO fuse, the CU in house no 2 has 3 x 6A lighting circuits and 2 x 32A ring circuits, and they want a shower to be installed, but haven't specified the...
  3. moose

    DNO Fine or Jail.

    We all say, the fairies came and pull the fuses, so ive been told, Cough Cough, but what is the actual offense for this as say an employer insists on doing this and you do keep reminding him about the errors of there ways, (Do it or you are sacked, Ive got 12 kids to feed so you have to, lol)...
  4. sparksburnout

    Cost for DNO to remove cut-out

    Does anyone know how much western power dist (I think!) charge for coming out and pulling the main fuse so I can change over the CU? The airhead I just spoke to didn't even seem to know what I was talking about and I need to get a quote off sharpish.....
  5. N

    DNO Fuses In Flats Replaced By Dummy

    Now obviously I have not seen this with my own eyes as it would involve pulling possible DNO fuses which I would never do...but I have it on good authority that there is a certain small block of flats where each flat has, in a meter box outside the front door, its own meter and what appears to...
  6. imago

    So that's how you get the DNO to upgrade cables!

    Stone built (140 ish years old) end of terrace house with an old two wire onto ceramic doughnuts overhead supply. The DNO inspector came out to look at it and they're replacing everything from the head to the pole FOC. What caused such a remarkable event? I'm sure we all know how they like to...
  7. JD6400

    DNO safety regulations for overhead supply's ?

    I have a meeting with our local DNO and the estate manager next week on a farm we are currently rewiring section by section for one of our local country estate , clients . The current split phase supply is in to a several hundred year old wooden barn , that has definitely seen better times ...
  8. S

    DNO Supply cable

    Working on a job today supplying power from a garage to a powered sliding gate. When digging a trench I have come across the DNO cable only dug in about 6-8" in the ground with no warnings or nothing else on it. It comes from the nearest telegraph pole and is cleated to the side before going...
  9. UKMeterman

    Urgent Electrican required Basingstoke area to connect nurseing home to DNO generator

    Anyone in the Basingstoke area able to assist? Nursing home has been off supply, generator supplied by DNO but no one to connect it up. BBC News - Hampshire nursing home left without power since Monday
  10. kingeri

    6mm Aluminium Tails, DNO says no supply listed at the address

    Evening all. Today I was invited to look at a friend's latest project, a town center workshop-----garage. He is planning on turning it into a furniture shop. He has had a 'handyman' in doing some work for him, including electrics. Apparently there was no fusebox at all and no lighting...
  11. K

    DNO specifies fire-rated enclosure

    The DNO (UK Power Networks) has specified that the duct that will carry the DNO supply to a new SFH has to terminate into a 1-hour fire-rated cupboard. The duct will terminate in the basement, and the supply will be 3P 100A each. Which pre-made cupboards would meet the required specs, or if we...
  12. K

    Plumber blows DNO fuse

    Had a call from a plumber I know "I think I have blown the main fuse, there is no electric and no MCBs have tripped". As he was nearby I went out the main fuse had blown and no MCBs had tripped. He was fitting a shower cubical and was screwing a length of aluminium section to the wall when the...
  13. L

    Running 2 supplies from 1 DNO Head

    Is there any better way of doing this? 1 DNO Supply - 100A 2 Buildings - not connected to each other. DNO on Main House - PME Supply Holiday Cottage run by 25mm SWA (2 Core) from House Supply (underground) 25mm running 6m from DNO to CU - 100A Iso fitted 2nd Iso for Holiday SWA Supply - 80A...
  14. O

    Coffin DNO cutout

    Hi all, just wondering if anyone can help with this little question? I'm just about to do a full rewire on a domestic dwelling and have come across a DNO cutout I've not seen before. It's an ISCO cutout with a fused Neutral. I've done some checking on the forum earlier and from what I can...
  15. D

    DNO Supply Question

    Hi there, I was wondering if I might be able to call on the knowledge of someone with experience of three phase mains supplies from our energy provider. We are a sports club looking into the possibility of installing some new floodlighting around our pitch and are currently in the very early...
  16. P

    Can DNO shut me down?

    Its been a while since I posted. I've read in the past that the DNO has shut down solar installs if there were too many in a postcode area and there was a problem with the grid. A large 26 Mw solar farm is being proposed near me, should I be concerened that this could conceivably mean my...
  17. A

    Meter Tail Length - Getting the Electrical/Mathematical Equations from the DNOs.

    Hi everyone, I'm new to this forum and this is my first post, so apologies if I get anything wrong. I do a lot of property redevelopments, and some landlords (myself included) prefer to put the elec and gas meters outside the property in meter boxes. This can cause issues, as often the only...
  18. A

    Earthing arrangement TNCS or TNS and the DNO

    Hi, I wish to establish what the earthing arrangement is, the cut-out has a label above it that says "PME System" and the earth cable disappears into the bottom of the cutout and then comes back out the bottom and connects onto the supply cable sheath. Reading some other forums people suggest...
  19. M

    DNO Cables

    Someone on here said once that there is no way that the DNO allow 100A supply per house, which obviously makes sense. So why do a lot of house have 100A main heads. Surely that means that the cables can take 100A or more otherwise cable would get hot before fuse went? Surely house have the...
  20. R

    One rule for DNO and another for us.

    Did a job yesterday where the DNO changed an overhead TT for a PME. As it was a long tails run, turned up with me switchfuse with a standard 80a fuse in it. Got told I'll have to put a 60 in because there's only an 80 in the main service fuse (even though it states 100 on the casing)...

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