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  1. P

    three phase coolant pump

    Hi i have just bought a lathe which is running on three phase i have bought a vfd to run the lathe from single phase but i have a coolant pump that runs on three phase i have converted it to run on single phase but it appears to have a dip when running do any of you guys know what i need to do...
  2. H

    Common live wire for three circuits

    Hi, Hoping someone can help me with a lighting circuit challenge. I have an existing two gang switch, with one 2C&E cable for a simple circuit and one 3C&E for a two-way circuit (using conventional 3 control wiring). It's an older property but pretty conventional loop-in loop-out radial...
  3. C

    Three phase upgrade question

    Hello all...hope someone here can help.... currently have three phases coming in to the property (old farm) but only receive single phase with a single phase meter. The overhead cables were upgraded a few years ago so the cabling up to the meter is all fairly recent, I can see the 3x100amp...
  4. haptism

    NVQ3 2356, three phase question

    I will be enrolling on the NVQ3 2356 soon but have a question regarding the three phase element. As i work for agencys as an improver its seldom that I ever get asked to connect up three phase equipment, or test it. How have any of you previous students on the 2356 (mature candidate) found their...
  5. L

    Three Phase calculation

    Hi, need to ask a question about a 3 phase air condition. On it's data tag it is rated at 20Amps. When it rated like this are the 20amps on each phase? Thanks in advance.
  6. J

    Three lights one switch

    I have just bought these lights from B & Q Volos Sphere White Single Wall Light | Departments | DIY at B&Q - http://www.diy.com/departments/volos-sphere-white-single-wall-light/258109_BQ.prd I'm wanting to wire them (3) to one switch. What's the safest and easiest way to do this please? Many...
  7. A

    Question regarding 400V three phase lighting connected in Delta, without Neutral.

    I am in the process of designing the electrical installation of a community centre, and have a question about the provision of three phase lighting for a large function room containing 18 36W LED fittings. All of the light fittings are to be switched simultaneously. Would it be possible to...
    • AReynolds
    • Thread
    • connected delta lighting neutral phase question regarding three three phase without
    • Replies: 39
    • Forum: Commercial Electrical Advice
  8. JK-Electrical

    Five electrocuted at Turkish water park including three children

    Five people were electrocuted on Friday at a water park in northwest Turkey, including two teenagers and a 12-year-old, Turkish media reports said. The three youngsters were caught up in an electrical current in the pool in the town of Akyazi in Sakarya province, the state-run Anadolu Agency...
  9. A

    How to determine the Line and Phase current and power of a three phase installation?

    I am attempting to produce a design for a theoretical installation with a three phase incoming supply (presumably Star/Wye with PME to star point), and am having some trouble understanding and determining the current and power of each phase, and the whole installation at the incoming supply...
  10. Dave Jenkins

    Four Ring Circus - an unconventional method of wiring ring finals

    I've been working in a Victorian semi. I was asked by the client to take a look at the wiring for the kitchen ring final - in particular the state of the wiring under the floor boards. What I found was a mass of cables connected into two 30A screw-terminal junction boxes. On closer examination...
  11. E

    Help with wiring three phase pool airblower

    hi. one of the electrition in our company tried to wire a three phase pool air blower {in star connection}. when he connected the three phases to the air blower after one minute the air blower coils were burned. the thing is before that there was another of one phase air blower and it was...
  12. R

    >2000 ohms on loop test?

    Hi guys, Was wondering if anyone could shed any light on why I would be getting >2000 ohms on my loop tests, on every circuit? I got .26 on the incoming reading, went to do the test on the cooker circuit and >2000, thought I'd try back at the consumer on the incoming and >2000 again, I'm using...
  13. S

    Old three fuse board

    Hello, Buying a house and found this under the stairs. I'm guessing it needs updating. Am I right in thinking there are three circuits here? What would be involved in getting a new consumer unit. Worth doing? Also if you cover Wigan let me know. Thanks for any help.
    • scribblesvurt
    • Thread
    • board consumer doing fuse fuse board old three
    • Replies: 11
    • Forum: UK Electrical Forum
  14. M

    Upgrade to three phase supply

    Hi all, Newbie here with no electrical experience so please be gentle! :blush: I am currently refurbishing my basement flat and during this we have discovered that the supply to the four flats is single phase. I have been told this is unsafe and insufficient for the four flats. U.K. Power...
    • MichaelS
    • Thread
    • flats phase single phase supply three three phase upgrade
    • Replies: 5
    • Forum: UK Electrical Forum
  15. M

    Three Seas Electrical services Ltd.

    Covering all aspects of Electrical Installation, particularly industrial control but also domestic and commercial works, our team are prompt, efficient and courteous. All are qualified and experienced. We have female engineers if required.
  16. Startinez

    New three-phase wiring colours

    Hi all. I'm starting a new project at work and part of it is installing SPDs onto D.B.s in telecommunication installations. All of the current wiring in the boards is from before the colour harmonisation and so obviously is R,Y,B for three phase. Obviously the regs state that it should be...
  17. D

    Lighting Circuit - Power at switch

    Hi all, Just a quick question if I may I'm building mock circuits on an old desk to get a practical element to the theory I am studying (connected via 3 amp plug with RCD protection on supply) I have been watching John Ward on YT ( John Ward - https://www.youtube.com/user/jjward ) and find...
    • Davejpic
    • Thread
    • brown cables circuit https light lighting lighting circuit power switch three
    • Replies: 22
    • Forum: DIY Electrical Advice
  18. Pete999

    Pete's Videos Safe Isolation Part three

    Sorry guys you know the drill
  19. Leesparkykent

    Three phase TT install with distribution circuit and RCBOs

    I have an Install where a 16mm 4core has been installed previously. ATM the SWA is coiled up either end At the supply which is a barn converted in to an office for the homeowners business and plant room in new extension to the house. There is no PME available as over head, in the middle of no...
  20. Mark42

    Look what the supply company buried in my garden! (The result of years of argument - don't give up!)

    I have for years been trying to get my existing split-phase supply upgraded to three phase. The DNO sent me a succession of ridiculous quotes, all around the £25K mark. No amount of negotiation, or pointing out that the existing transformer - which supplies only three houses - was ancient, had...
    • Mark42
    • Thread
    • attach buried company don't garden result supply three years
    • Replies: 2
    • Forum: UK Electrical Forum

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