separate

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  1. 4

    separate earth with swa

    hi all, I have been pulled on a job because an swa was installed with a separate earth and I terminated the earth to the banjo before going to the earth terminal of the DB that it was to feed. this is a distribution circuit fed from a section board 25mm swa with 16mm earth to a DB via a change...
  2. R

    New supply from transformer mast for 9 separate metres property connections?

    Hello, We purchased a plot of land a while ago and we are trying to establish how we can actually connect into the mains transformer mast which is available on site. Originally we had 3 options. There was a Scottish power owned cable that we could tap into this would cost £4500.00 to link to...
    • Richard Knight
    • Thread
    • connections metres new property separate supply transformer
    • Replies: 30
    • Forum: Commercial Electrical Advice
  3. W

    Help required on separate or non separate CPC for 200A 3P supply

    Hi guys, Im banging my head off the wall on this one. I have to run in a new 200A per phase supply. The cable length is 35M. Ambient temp is 20C. I am looking at table 4D4A in BGB and as it's to be on tray so Im thinking a 70mm CSA 4core as it has a Current carrying capacity of 207A (I am...
  4. P

    RCBO keeps tripping - without explanation

    The wiring in the house is split into separate circuits each with their own RCBO for 3 for lighting (separate for ground floor; upper floor; and basement) 3 for power (again as above) 1 for cooker 1 for shower 2 for fridge/freezers The problem exists only on the ground floor power circuit...
    • pads
    • Thread
    • floor keeps rcbo separate switched tripping trips without
    • Replies: 43
    • Forum: UK Electrical Forum
  5. R

    Five days without solar power

    Five days without solar but guess I haven’t missed too much yet, thanks to the grotty weather. I’ve had my solar installation since June 2011, SMA SB4000TL inverter and 16 sanyo HIT panels, total 3.67 kWp. We have been really pleased with the installation and the installer, recommending them...
  6. J

    Separate fuses for 3phase supply

    Hi All, Just trying to double check if there's a reg suggesting a 3phase circuit should have over-current device that disconnects all line conductors at once? Got an old rewireable board supplying 3phase motors with 3 individual fuses. I'm looking at 530.3.1 ................... Can anyone...
  7. T

    3phase breaker made of 3 single phase breakers

    Hi guys, Is there a difference between 3 single phase breakers next to each other (with a linking bar) and 1 3 phase breaker? Does the 3 phase breaker have anything special in it or is it just 3 single phase breakers stuck together with a bar in the switches? Cheers, Tim
    • Tim
    • Thread
    • breaker breakers cheers phase separate single single phase
    • Replies: 13
    • Forum: UK Electrical Forum
  8. S

    Separate supplies?

    Dear all, Got a simple question. I have just purchased a house and it was split into 2 flats about 30 years ago by the previous owner. The property has two electricity meters with two electricity bills. May I ask if anyone know whether it means the house already has two separate supplies or not...
  9. L

    3 phase help please

    My mate has just taken over a a small garage that's attached to a shop. At the moment the supply to the garage is fed from the shop but the tenant in the shop won't switch it on because he will get billed. The shop has a 3 phase supply and a big 3 phase board. At the moment there's only a single...
    • lost-sole
    • Thread
    • 3 phase garage help please meter phase please separate supply
    • Replies: 11
    • Forum: Commercial Electrical Advice
  10. J

    can you have two separate circuits in one box junction box ?

    As the title states : can you have two separate circuits in one box junction box ?
    • Jimmyb
    • Thread
    • box circuit circuits junction junction box phase separate
    • Replies: 30
    • Forum: UK Electrical Forum
  11. Midwest

    Applying Diversity to separate Oven & Hob

    I'm trying to determine the appropiate load to install a separate oven and ceramic hob (in a domestic kitchen). Obviously I will apply diversity to provide a suitably rated protective device & cable. However, I'm scratching my head on how to apply the diversity: Is it: 1) Oven & hob total load...
  12. M

    phases through separate openings

    I know you should put all three phases and neutral through the same opening of enclosures and not split them(two in one hole and one and neutral in other). But i can't find the regulation for this.
  13. A

    pir's, switches in two separate rooms wired in singles

    Wiring in singles! working in a commercial building, I have 2 separate rooms and a corridor to wire, the 2 rooms both have light switches and pir's, the same as the corridor. I know how to wire light switches, feed from d/b down to switch, s/l up to pir, then i can wire my lights. How do i...
  14. 1

    Additional isolators in a separate cabinet

    Bear with me on this one: -Incoming DNO supply (3 phase) comes into a cabinet which is fed out to two distribution boards in separate (unmanned) buildings -Our "customer" wants a cubicle next to this (there is no more room in existing one) with 2 isolators, one for each circuit, so they can...
  15. S

    Query Regarding 2 Systems On 1 Building

    We've been approached to install 2 small systems on a new build development - 2 flats contained within 1 building, but independent supplies. The available roof space is limited and the builders are asking if we can install the 2 systems in a continuous run - eg so they appear to be one system...
  16. G

    Ring Final Circuits ... each leg into a separate MCB!

    I was inspecting the electrical installation in a large 5-bed late Victorian or early Edwardian property that I am considering buying in Scotland when I came across the 'socket circuits'; 3 32A MCBs so I expected 3 Ring Final Circuits. Each MCB only had one wire so adjust assumptions - they...
  17. T

    separate testers or mft

    Looking for first tester and wondering about separates instead of combined. A bit old school but some good second hand options to be had Looking at some robin ones Any thoughts or people who use them
  18. Midwest

    PME supplies to emote buildings

    I've previously posted about doing a CU replacement for my assessment. I will also have to re-supply a small garage CU (20a radial + 6a lighting), which has been answer for me, thank you. The property has a TN-C-S supply, which will be fed with new 25mm tails, 16mm EC. The garage is link...
  19. zap

    Competition! How many separate parts in the illustrated BS1363 13A double socket?

    As there's a discrete number of parts only one guess each (your first). Winner gets a Like :waving:
  20. M

    Oven and hob separate

    Hi guys a man has told me he is putting in a new kitchen and instead of the orginal cooker supply is he want a single oven in a different postion in the kitchen but is keeping hob in the same place.. so obviously i know i can keep the supply thats already there for the hob but i am wondering...

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