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  1. Dairyspark

    Single Phase Motor Starter

    Hi all, so I came across a motor starter today on a farm. It’s attached to a 5.5kw single phase motor for brushing barley. Now the starter is causing issues but trying to source a replacement is becoming an issue. Now, and this is where I need help, to me it works and looks like a Star/Delta...
  2. Dairyspark

    Single Phase on TP MCCB

    Evening all, currently working on a main intake refurb on a farm. 200A Single phase supply incoming which I need to split at the changeover switch to feed a DB and a separate supply to the dairy unit outside. My question is, can I use a TP mccb and run live and neutral through it as I need to go...
  3. Dairyspark

    Crossed the border

    So over the years I’ve heard and seen people complaining in the Englandshire region of people becoming “electricians” from 5 week courses etc. etc. Now being form North of the border in sunny Scotland, I’ve always looked over the fence and thought god I’m glad we don’t have that up here…maybe...
  4. Dairyspark

    VSD Failure

    Hi everyone Fitted some big agricultural fans this week and one of the guys when back to adjust the louvres to direct the air. Both fans are controlled by VSD’s and one controller, instead of turning them off at the controller he just switch them off whilst running, which to me is always a bad...
  5. Dairyspark

    Small Earth question.

    Hi everyone So I had a thought the other day. The old style T+E which had 2.5mm² conductors and a 1mm² Earth which doesn’t satisfy the Earth size etc. and I know that if you find it on an EICR it’s a sad day for the customer etc etc. However, my question is, If you fitted an RCBO to the...
  6. Dairyspark

    Single phase Winch control

    Hi everyone, So farmer has bought himself a winch from toolstation and created his own lifting gate so he’ll hold cows in a pen to be put through the robot to be milked…..anywhooo it had a hand controller attached to it and it dangles down in the middle of the gate. He wants a set of controls...
  7. Dairyspark

    Earth leakage

    Hi everyone, So today I finished wiring a DB to supply milking robots, turned it on and everything was going swimmingly till I put my Earth leakage clamp on and found I had 150-170mA on the main DB earth, but yet no rcbo’s tripping, so switched the board off and it was still there so I assumed...
  8. Dairyspark

    Surge! Device

    Hi everyone, Starting a new install today and have picked up a 3phase Hager board but plan on linking to convert it to single phase. Now my question is, how do I fit surge to this? Usually the 3phase Hager surge sits next to the main switch and each phase feeds into its own surge device. Can I...
  9. Dairyspark

    Cable running question

    Hi everyone, I have the potential to be running a 185mm² or 240mm² 4 core SWA for a new supply for a silly farmer to fit 200kW of solar lol now my question is as follows, I know that I can calculate the size of Earth and if the armour meets the requirements, which I’m already thinking that it...
  10. Dairyspark

    Strange 125A fitting

    Hi all, Got sent this by my old apprentice, it’s attached to a giant air compressor. Never seen one with straight in line pins before. Anyone any idea what and why it’s different lol
  11. Dairyspark

    Scottish electrician working in England

    Hi everyone, So good friend of mine has bought a house in Berinsfield and has asked if I can help with any electrical issues. Now I live in Scotland, did my apprenticeship here etc etc. Now my question is, can I go down and work on his house etc. not entirely sure of the extent of the work yet...
  12. Dairyspark

    VSD Cable question

    Afternoon all, Currently fitting electrical items along side rotary milking parlour fitters and we’ve came to a disagreement. The 3 drive motors are in the centre and require power to them. It’s all fed from a VSD now I didn’t know this at the time and have run 3 x SWA cables from Plant room...
  13. Dairyspark

    Water heater question.

    Hi guys, So I do a lot of work in agricultural settings and currently doing a new large dairy unit. 50 or 54 point rotary with everything from cooling compressors to vacuum pumps and beyond. Now my question comes in the form of this The plant water heater is huge, it contains 3 x 6kw elements...
  14. Dairyspark

    Codebreakers book

    Evening all, having a look through the lovely Amazon today and Napit’s codebreakers was a suggested purchase for me. Now my question is, is it worth it or is it not?
  15. Dairyspark

    Earth leakage question.

    Hi again, So back at the bank again today and I have another question for you all. Recently bought myself a Earth leakage clamp meter and decided to try it out today, imagine my shock and horror as I clamp the tails of one DB and find 4.2A of leakage apparently. So I switch off the board and...
  16. Dairyspark

    Curious

    Evening All, Found my self working in an old royal bank of Scotland today and was disconnecting and removing some items and I came across a load of these. I assume they were old fashion data-ish points but anyone shed some light?
  17. Dairyspark

    Split supply issue

    Hi guys, So, customer rang me about RCD tripping which sounds simple however, set up is 2 shops, ones a hair dresser and the others now a cafe. One DNO supply in and splits to feed the 2 shops. Now hairdressers was rewired recently (not by me) and worked fine allegedly. Cafe crowd have moved...
  18. Dairyspark

    Puzzled by contactor

    Hello there, So a couple of weeks ago, I fitted a new condensing unit for a bulk milk tank and fitted a contactor and overload. Unit run fine and has been since fitted, got a call this morning to say it wasn’t running so headed out to farm and found that the coil of the contactor wasn’t pulling...
  19. Dairyspark

    Minimum amount of sockets

    Hi everyone, Could anyone enlighten me to the minimum amount of sockets required in a B&B bedroom, its being done as part of a project and looking on the OSG it doesnt list it as its not a domestic location. Hopefully this makes sense Kindest Regards  Bobby
  20. Dairyspark

    External sounder beeping intermittently

    Hi everyone, could anyone point me in the direction of reasons why the external sounder would beep every 10-15 minutes? Customer has changed battery inside control panel which has topped the internal beeping but external is still beeping away
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