farm

  1. Simon-0116

    tt earthing on farm

    Been to look at agiving a qoute to install new bd in horse barn. Tested ze at existing socket 21 ohms. Soil floors. Concrete buildings. All done in plastic conduit, swa, rcd sockets etc. Looked at mains coming in over head. Rcd 30ma 4 pole main isolator. Tails in out to metal switched fuse...
  2. loplug

    Solar farm earthing

    Been doing some work today on a solar farm , from the subs there are 95mm 4 core Alu cables running out to the arrays where there is a box that splits the feed between the 2 inverters. Now the cable that comes from the sub is connected to the neutral bar at the mccb panel and marked with blue...
  3. R

    Solar Farm Work

    Hi everyone, I'm an electrician from Cornwall. I've got about 5 years post apprenticeship experience. Mainly domestic but I've done some commercial and a little bit of industrial. I've done a fair bit of work with SWA's. And also a little bit of Solar work on domestic properties. So I've...
  4. t01474

    Earth rod and Zs values in farm. Help needed

    Evening all. Am currently doing my first EICR on a farm and have come across the following. Supply is TNC-S. There are many stables on the farm and various outbuildings. At some of the stables / outbuildings a 3-core SWA has been installed but the CPC is not connected. Instead a separate CPC...
  5. F

    Farm Barn requires 3 phase + N + E!

    Hi, The barn in question currently has a 230V Supply, 3 core 16mm SWA is used for this. There is one ring main (32A) and three lighting circuits (3 x 6A) installed in the barn. The farmer has fitted a new pressure washer in this barn that requires a 3PN+E supply (16A). The supply to this barn...
    • fochlegend
    • Thread
    • 3 phase earth farm phase pressure requires supply washer
    • Replies: 15
    • Forum: UK Electrical Forum
  6. A

    Farm outbuilding supply

    Hi Il try and keep this a simple as possible.. Been to look at a job today which started off as 'install a supply from the house to a static caravan in the garden' simple enough, when i arrived the house was a farmhouse which had recently been rewired in places and a new 17th split load board...
  7. P

    farm (grain drier)with no rcd on sockets

    Hi We do alot of work on quite a large farm and always fit iP rated sockets etc all with 30ma rcd protection both 3 ph and 1ph.. They have had a new grain drier shed built and it has been wired by another contractor due to time limits we could not complie to. When we have looked around we have...
  8. V

    advice needed for old farm re-wires

    advice advice appreciated on this thread: http://www.electriciansforums.co.uk/electrical-wiring-theories-electrical-regulations/86919-tt-submains-rcd-question.html#post891895 thank you.
  9. V

    Bonding Structural Steel on farm building, TN system?

    On a TN system , i want to bond the structural steel on a farm shed. But the submain across to the farm shed is only 10mm Twin and Earth, so only a 4mm cpc is supplied? I was going to install a 10mm cpc to the steel from the local shed db? any help please.
  10. M

    10kw install advice on small farm shop & outbuildings

    Hi All have customer that i work for on a regular bassis doing electrical works, last year we got costs to upgrade our supply to property due to expansion of works. going from 25kva trans to 50kva trans moving our supply to new location. whilst undertaking this work i am to upgrade the...
  11. Mark.W

    PME for farm buildings

    Hi chaps In need of some advice please! I'm on a job at the moment (installing 50kw PV) where the customer is upgrading his supply with Western Power! He currently has a 100A 3ph supply and his new supply will be 250A 3ph! The customer has a dairy farm! The existing earthing arrangement is...
  12. Simon-0116

    Farm supply not tt

    Hi I live on a farm with livestock but we are on pme earthing, electric board guys say not many farms on tt around here do I still need to fit 300 ma main switch. Zs is 0.80 -
  13. C

    Solar PV install on farm

    A farm I have done some work for are having an array installed by a third party but I have been asked by the farmer to do some additional work not included in the PV install. At present there is a PME supply into a workshop from which a 25mm 2 core SWA has been buried underground and run to a...
  14. M

    TT farm RCD protection

    hi I've been pulling my hair out trying to finish a installation on a farm , but now i'm very stuck on what i can do sec are upgrading the three phase supply to 200A and putting in a CT chamber, previously there was several supplies going to CUs from henley blocks and tails but now its being...
  15. HappyHippyDad

    New Zealand The last post on this farm business!!

    I will soon be connecting up a few LED spot lights and making safe the existing wiring at a domestic stables (have started a few threads on this now!). The chap is happy with my quote and I have done as suggested and researched gate opening devices and companies offering this service and added...
  16. HappyHippyDad

    Now which cable for this farm job?

    Just a bit more from this job I've been going on about at the stables.. The chap has 10-15 meters of flex plugged in (just below Consumer unit) taking power to each individual flood. What sort of length of flex is acceptable? I'm going to be changing it all so they are on seperate MCB's in CU...
  17. D

    Electrical Setup in Farm Outbuildings

    I'm just looking for opinions here on my uncle's farm. He had several new large outbuildings erected within the past three years. At the source, the sparky fitted an 80A 30mA RCD as the main isolator which protects all the other outbuildings at one part of their farm. From here, they take a...
  18. S

    Farmhouse supplied from farm buildings

    Hello, The normal PME etc query i see on the forum relates to the farm buildings supplied from the house where the house runs on PME and the farm on TT with local earth rods. In this case, the supply is terminated to the the farm which has a PME supply, should the farm CU & final loads be...
    • stuartsjg
    • Thread
    • building buildings farm house supplied
    • Replies: 13
    • Forum: UK Electrical Forum
  19. T

    AC Cables for 5MWp Solar Farm

    Hello Everyone, I just joined the forum and I have a couple of questions I would like to ask. I will soon be involved in a very big project around 5MW and I would like to know more on the AC cable types and sizes. I haven't seen the system layout so I don't know the exact distances, so I am...
  20. M

    3 Farm buildings

    Hi iv been asked to wire 3 farm buildings. The sub mains have to be RCD protected, Do i 300ma Main swt first ccu rcbo's 100 Ma second and use rcbo's and 30ma main swt and mcb's ccu? Any suggestions would be helpful iv red the green book and me head is hurting lol i could use a 100 ma upfront...
    • mattmoo1974
    • Thread
    • after building buildings discrimination farm first point
    • Replies: 11
    • Forum: UK Electrical Forum
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