dno

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  1. D

    How much space to set aside for DNO

    Hi Just to make sure I have this covered, how much space do the DNO & provider normally require for the fuse unit and meter? And what is the preferred height? KR Mark
    • dellboy13
    • Thread
    • dno external install installed meter position space
    • Replies: 10
    • Forum: UK Electrical Forum
  2. N

    Can't pull DNO fuse; must specify rating; X-ray vision nonfunctional

    Interested to know what other people's normal practice is for completing the "supply protective device rated current" box on the EICR form, given that we can't pull the DNO fuse. Do you trust the amperage label (60A, 80A, 100A, etc.) on the fuse carrier? Or is that in fact the maximum rating of...
  3. N

    EICR and 4mm2 DNO TNS EC

    Anyone care to comment on my reasoning, calculation and conclusion here? I'm doing an EICR on a TNS system, with copper 4mm2 DNO earthing conductor (insulated) between main supply cable and MET (and then 16mm2 earthing conductor to CU and 10mm2 MPBCs). DNO fuse is BS1361 Type 2, rating...
  4. PEG

    A rare but deserved Christmas "Ta" to DNO...

    Not an earth shattering revelation,but after group slagging of the usual suspects,my faith in folk was bolstered today...Rang DNO (Electricity Northwest) yesterday 3pm re;an overdue upgrade on a property i own,vintage 1937, 4pm dude landed,said it's well due,lads will land tomorrow. Chaps...
  5. dc-electrix

    New 3Phase Supply from DNO

    Hi, Could someone point me in the right direction with regards to getting a new three phase supply put in? I need to get a new 3phase supply installed to a new garage building on a domestic property, the client is thinking he may want to run a couple of lathes, nothing very big, but also feed...
  6. T

    Question for DNO metering engineers.

    I hope there are some guys who are working in DNO (distribution network operator) as metering point maintenance engineers. My questing is for them. What kind of devices you use to perform meter testing works? Do you use some kind of portable standart watt-meters, simple load resistance devices...
    • Tomasg
    • Thread
    • courses degrees dno engineer engineering engineers metering question salary students
    • Replies: 18
    • Forum: Electrical Engineering Chat
  7. T

    Billing DNO

    Hello all, Friday night around 11pm I had a phone call, saying over the last couple days they think they have seen smoke coming from there downlights, (they decided to ignore this) until 11pm the next day!! I arrived at the property had a Look at the downlights (non firerated) and noticed abit...
  8. G

    New CU on dno's board

    As the title says. Old fusebox in a cabinet in kitchen, dno's board fills the cabinet, old skeleton fusebox currently located just above the board. Is it a no no to mount the new cu on their board?
  9. sparksburnout

    DNO's incoming capacity.

    Looking at a job where shower is required, and amongst all the other requirements, contacted the DNO to enquire what the incoming supply capacity is. The cut out fuse has no marking that states its rating, existing meter>CU tails are 16mm but will be using separate CU for shower circuit via...
  10. B

    DNO Earthing

    The DNO earthing on a TN-S supply to the MET block is no more than 6mm. On the customers side the Main earthing from CU to MET is in 16mm and the bonding to the Gas and Water is in 10mm. The Ze readings are low at 0.13, is there a requirement to get the earthing from the MET to the supply head...
    • besenzig
    • Thread
    • dno earthing image picture
    • Replies: 14
    • Forum: UK Electrical Forum
  11. bigspark17

    two dno supplies

    I have a church with living quarters they used to be two seperate properties. Two dno tn-s supplied into either end of each building.! There is one boiler to do the lot, one water supply one gas supply. The boiler is supplied via one dno but main bonded via the other dno supply.! Any thoughts if...
  12. B

    DNO application to connect for heat pumps

    You are probably aware of these Forms A, B and C on the MCS site: Microgeneration Certification Scheme - Heat Pumps which we have to complete prior to connecting a heat pump. I want to put the application in early on one of my jobs because it is a largish heat pump and in a village and I want...
  13. 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...
    • Kenny.s
    • Thread
    • calculations diversity dno phase supply
    • Replies: 4
    • Forum: UK Electrical Forum
  14. 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...
  15. 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)...
  16. 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.....
  17. 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...
    • NickD
    • Thread
    • dno flats fuse fuses replaced
    • Replies: 14
    • Forum: UK Electrical Forum
  18. 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...
  19. 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 ...
  20. 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...
    • SKY
    • Thread
    • cable cables dno property supply their
    • Replies: 10
    • Forum: UK Electrical Forum

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