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  1. T

    Advice on Shed Wiring

    Thank you for another very helpful response. Just to assure you we are saying the same thing, I was referring to the 2.5 on 20A radial which I now understand to be technically compliant but still seems to be drawing criticism from some folks here. I respect it leaves little flexibility for...
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    Advice on Shed Wiring

    Good call out thanks. This CU is actually for an Air Source Heat Pump. The contractor (not the guys who rewired the rest of the house) put in a great big 10 way CU for 3 ASHP MCBs. It's only on a 45A RCBO but the ASHP/Immersion never draws more than 15A. Obviously, it's less than ideal if it...
  3. T

    Advice on Shed Wiring

    So helpful and sincerely appreciated. Thank you. Rest assured, I will get this checked and notified as part of a more complex battery install i'm having done professionally next month. I am a stickler for paperwork, and this is as much about my curiosity and wanting to learn and impress my...
  4. Blank diagram (1).jpeg

    Blank diagram (1).jpeg

  5. T

    Advice on Shed Wiring

    That was my inclination yes - I had understood from several calculators and manufacturer specs that 2.5mm 3-core clipped to external wall would be adequate for my couple of sockets to my shed? It would also be fused down appropriately. While my main board is new and the secondary CU is on a 40A...
  6. T

    Advice on Shed Wiring

    What a brilliant group, thank you for the interest in my issue. I’ve learnt a lot already from the feedback. A 20A radial then from the second CU then. The SWA is clipped above ground so no issue there. It’s a short but awkward run hence my inclination to go light. Reading between the lines, I...
  7. T

    Advice on Shed Wiring

    Thanks, @DPG; yes, I did but will check with a pro. Ta.
  8. T

    Advice on Shed Wiring

    Quite right - seems this was a diagrammatic error upon checking, thank you. On checking the secondary CU does not contain an RCD. I'm now thinking this is overengineered for my purposes and that I'll just put in some SWA, and my friend can hook up a simple radial circuit when he gets time. Much...
  9. T

    Advice on Shed Wiring

    Thanks very much @DefyG and @westward10, very helpful
  10. T

    Advice on Shed Wiring

    Hi, I'm looking to get the lionshare of a small shed wired before a friendly electrician does the needful. I'm a confident DIYer, but I would appreciate any more experienced view to check my logic. My house was professionally rewired in 2022, but I would like to connect a small 8x6ft shed to a...
  11. Blank diagram.jpeg

    Blank diagram.jpeg

  12. T

    EV Charger advice for ski lodge

    That is so helpful, thank you. I had not appreciated the significance of DLM. x10 11kw chargers on 63A is incredible. I don't think the charging power needs to be more than 7-11kw anyway as our preference would be to have a greater number of slower overnight chargers vs. a couple of expensive...
  13. T

    EV Charger advice for ski lodge

    Huge help, thank you. Nice surprise to Learn we have three phase after all. We have local electrician coming next week to assess capacity and your suggestion might at least provide a nice interim solution to last a few years before we upgrade supply. Thanks again.
  14. T

    EV Charger advice for ski lodge

    We have an unusual situation being a British-run ski lodge near Chamonix, France. The chalet is a 1930's, 20-bedroom facility run for around 200 private members that include a growing number of EV owners. We would like to get three 7 or 22kw EV charging points installed in the car park but...
  15. IMG_7585.jpg

    IMG_7585.jpg

  16. T

    SWA to shed - are two cores enough?

    Thanks all, very helpful and will follow the advice here.
  17. T

    SWA to shed - are two cores enough?

    Hi, Apologies in advance if this is in the wrong forum. I tried to post to 'Electrical Advice' as a DIYer but had issues. I'm laying SWA (about 40m of 10mm2 as advised by a pro) to a new workshop building that will have its own CU, circuit and ground spike. I want to do the donkey work and lay...
  18. T

    Estimating the Age of Electrics. Rewiring Fun.

    Another clue being that the meter is 5+ meters away in another room (a separate garage that was added 10+ years after the house was built) and has a card labelled \'99'. I'm thinking of moving the CU next to it again as part of the intended works. It's hard to imagine this install being earlier...
  19. T

    Estimating the Age of Electrics. Rewiring Fun.

    Thank you, good to know. I'm erring towards a full rewire but hard to estimate the scope given they're not allowing visitors.

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