dno

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  1. Regthing

    Why would a DNO do this?

    Hello, first non-intro post. I'm in fixing a re-wire by a handy man and seen that the DNO has fitted a service connector block on the live tail. Sealed and stamped by the DNO? Why would they do that? Cheers
  2. G

    Main fuse query

    Hi I’m planning on getting my house re-wired soon, the installation at the minute is an ancient old fuse board with all sorts going on in there! My main fuse is rated at 60 amp and my question is should I get the dno in to upgrade if needed to 80 or 100 amp! Am I best doing this before or after...
  3. O

    DNO providing DP isolation.

    Just sounding things out as to what DNOs are charging for providing DP isolation switches where all that is in situ is the main supply fuse and the meter. Customer was quoted £30 by their leccy provider to have a DP isolater fitted. The following day an email reached them from their provider to...
  4. dc-electrix

    New DNO Supply help sizing

    Hi all, I have become involved in getting a new supply laid into a block of flats. It was originally a house and was subdivided into flats >20yrs ago. Whoever did this used the existing 100A incomer and had 6x 80A BS1361 DNO fuses fitted which feed 4mm MICC submains. How the DNO p,ut 80A fuses...
  5. HappyHippyDad

    Is this the responsibility of the DNO?

    I am going to be changing this CU. My question is who's responsibility is it to remove the old VOELB that is directly after the cutout but before both meters (see pic below). Im 90% sure it's the DNO? Is it just the meter itself that the supply company would be responsible for? Will the DNO...
  6. Gary Tollison

    DNO-CU isolator switch install

    greetings :) I’m looking at getting an isolator switch put in just before the consumer unit. DNO has quoted £138 incl VAT for the job. Now, I have lvl 3 domestic electrical installer diploma in the bag, and am not far from going for AM2. Is there anything I can do on the consumer side to help...
  7. J

    SSE DNO 4kw Solar Panels with battery storage, zero export

    Hi, I'm looking to expand our current grid-tied solar from 2kw to 4kw, add some battery storage and do zero export. Has anyone done this? Did SSE accept it? Any advice on equipment? Thanks all
  8. M

    House supply questions

    Hi all, Got a bit of a query with my mains supply where it enters the house. Its in an empty room that i'd like to either fit a bathroom in (as in my picture) or a toilet and wash basin. Would I need to have this DNO fuse etc moved or can it be boxed in with a water sealed access hatch? All I've...
  9. M

    Increasing supply, does DNO transformer look excessive?

    Basically customer currently only has a 100A 3 phase supply, which is rather overloaded. Also has a 120KVA generator for a 55KW motor. Im trying to get a larger supply so everything will run off the grid and not overloaded. Ive spoken to the DNO in terms of trying to get a 400A supply. DNO...
  10. M

    Touring Caravan dno connection

    Hi there im after some advice, I’m thinking of creating a 5 pitch touring caravan site 32 amps per pitch can use a standard 100 amp supply single phase from my dno. I need to tell my contact at western Power Distribution how big a supply I need. Can anyone help.
  11. B

    Ryefield / bno - bs and law

    I'm interested in learning more about ryefield boards as none of my training so far has covered them. Does anyone know the relevant bs/bs en standards and legislation that applies? I've noticed g87, esqcr, iec 61439 and bs7671 seem to apply. I'd like to know about who has responsibility for...
  12. S

    Who does what? How to get the DNO to correct old works.

    Hi To explain: Victorian house split into 3 flats Supplied via single ph service head in the hall then straight into 2 x 3way service connectors, cant see the cable, service connector is right up agaist the service head, From the service connectors is one 16m single insulated tail going to a...
  13. T

    Progress with DNO regards provision of earthing terminal, thoughts?

    Western Power Distribution - Information for electrical installers - https://www.westernpower.co.uk/connections-landing/connections-useful-information/information-for-electrical-installers I have been contacted today regards policy and methods regarding provision and maintenance of earthing in...
    • The Ghost
    • Thread
    • dno earthing regards terminal thoughts
    • Replies: 10
    • Forum: UK Electrical Forum
  14. C

    High Ze, Whose. Responsibility.

    Morning chaps, A bit of background. Finished a job yesterday, it was a bathroom install for the council on a private job. So with these they are grant work for the disabled, existing installtion dated, we have to note this on the certificate and install new circuit off a small new board for...
  15. GBDamo

    Note on Cert to contact DNO to renew cutout, AIBU?

    Simple enough job, three additional DSOs in existing ring to avoid the use of extensions and multi plugs. First things first quick Zs on socket, 0.31 Ohmos, lovely.... ...Check cut out and main fuse, IS there anyone on this forum who was alive when this was installed? No tingle using the...
  16. the pict

    Who do I advise tenant or dno

    A friend who has a retail shop was concerned about her electricity consumption, I had a look and I found the supply comes from an adjoining domestic property and is fed via an isolater within the same but has had a new meter fitted by the sse again its in the other property, so I ffitted a meter...
  17. simpson93

    Re rerouting mains and dno responsibility

    Good afternoon all, I have a client that is having works done on there front drive and the landscaper has stumbled across the mains supply cable 20cm or so in the ground. Unfortunately the cable is too high up to be able to high up and needs to be moved down, I had advised my client to talk...
  18. T

    Follow up on DNO complaint and earth terminal responsibilities

    Just to update on my witterings re DNO and unclear direction reponse regards maintaining/providing earthing point; P.S. this has been taken to committee and the following agreed I am told. Dear Mr Votigern (Name redacted) Since our conversation about this topic I’m concerned that you may be...
    • The Ghost
    • Thread
    • complaint dno earth follow terminal
    • Replies: 7
    • Forum: UK Electrical Forum
  19. Daniel Oake

    Guide for DNO supply, installers - worth a look to someone.

    Stumbled upon a guide that the installers and maintenance teams adhere to, contains codes for reporting etc, might be interesting. Scroll down to Page 8 onward. https://mocopa.org.uk/wp-content/uploads/2018/03/MOCOPA-guide-version-3.5.pdf
  20. Michaelwgroves

    Protecting DNO equipment

    A House of Multiple Occupation (HMO) officer inspecting a HMO for temporary accommodation has advised tenants might be tempted to play with DNO equipment as it's not in a locked cupboard. I'd be interested in your thoughts, my view is nothing to do with me, DNO install this and deem it to be...

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