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dno

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  1. S

    DNO to install an isolator

    Hello to all the good people out there. I have a fuse board upgrade to do soon and have told the customer that I need to get an isolator fitted. Its TNCS, 100A bs1361 fuse, 25mm tails, 16mm earth, 10mm bonding. My questions are: Who call the dno and who picks up the bill? And if the tails...
  2. S

    DNO Attendance

    Hi Newbie here returning to the trade after years off the tools, requalified and wondering why I bothered. I called a DNO this morning to enquire if the supply to a property was TT or TN-S as there apppeared to be a 30 year old DIY modification to the earthing arrangement. The customer was...
  3. G

    Dno nightmare what do i do?

    Hi everyone problem i have is with dno i installed 4 kw rec panels with sma 3600tl 16amp g83/1 inverter on monday 8th october i emailed them on sunday to say thast i was installing on monday and would be commisioned monday /tuesday first thing. didnt hear anything back till tuesday about...
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    reasons for DNO decisions on limits, transformers and balanced phases?

    Hi all, I just wanted to pick some brains ahead of having a chat with a potential customer. Essentially it's a farm with a single phase supply, but an 11kVA 3 phase line a few hundred yards away. There are actually 3 farms clustered together, and I'm thinking it's likely that they're all fed...
  5. jason121

    Dno

    Had a few drinks last night with a mate from DNO high upin the ranks, let slip that DNO don’t want PV installed that’s why they takethe full 65 days for applications. Too much work for them altering network and processing paper work
  6. R

    DNO says RCD not required

    Greetings to all, first post though been viewing the forum for a while. By way of introduction, I am a domestic customer and not an electrician in the normal sense - my work involves subsea telecommunication cable systems operating at up to 12kV DC. Recently got my DNO Western Power...
  7. D

    Getting DNO to provide an earth... What are my chances?

    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...
  8. S

    Moving DNO/Company Head

    Went to look at a job - basically they've been ripped off by a building firm. They are planning to convert the front bedroom into a bathroom - trouble is it currently contains the DNO s fuses and the meter etc. the original contarctor told them his sparky was going to move it 6m into the...
  9. S

    system extension with out dno approval

    I have a customer that wants to add another 4KWp to a 4KWp we installed last year providing we can get it done by the 31st. I think it will get approval but not before the cut off and have explained that to him but he says he's willing to risk refusal providing he can beat the deadline and make...
  10. H

    DNO and pulling this main fuse.

    Hi all I have a job to do on 12th august, its changing consumer board so need main fuse dropping now after 12 years as a electrician in forces I am new to this domestic s**t I have rang them up and I ave to ring suppliers up then I ring suppliers up and get told I cant speak to them its all...

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