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  1. Ryan Helms

    Please Help DCDC Converter

    Hello I am currently building an Ebike and have been working on this for weeks my main wiring diagram is not in this picture but this is a simplified wiring diagram for a part that I am very confused on the DC to DC converter. Converter I am using- https://a.co/d/cjdnIAw Now I am wondering if...
  2. R

    your thoughts please?

    I`ve just spoke to a lad in customer services at the nic about getting reregistered on the AC scheme to be told that I basically have to go back to college. I closed my company in 2019 and went to a firm and carried out commercial eicr work. I now want to start back on my own but cant get...
  3. fourtytwo

    Does anybody recognise this mounting system please ? SOLVED

    Does anybody recognise this rail profile please ? Its from an existing system I wish to extend. EDIT SOLVED....I think it's PV-EZrack pro series here
  4. littlespark

    Emergency advise please

    Pub kitchen I was doing PAT for, opening at 12 today. They have had to reconfigure where everything sits, so new location for double deep fat fryer is too far away from sockets. Double fryer is basically 2 x 3kW fryers in one unit… two leads, two plugs. I’ve told him not to plug both onto...
  5. sythai

    ASHP again.... after bit of help please Guys

    Hi Guys Got few of these coming up now... 1st fixes done. Now the fun bit of 2nd fixes - bit of a head scratcher as none seem the same! 🤯 What I'm after help on is... I need to install a volt free relay if my switched live is 230v, which it is. Does anyone have a link of where I could get a...
  6. R

    Can anybody please advise?

    Hi everyone. I’m not an electrician I am just hoping for some advice please. I have recently converted an old brick shed to a room in my house. Previous owners had a light in there so I kept out the wires so the fitting could be moved. I had an electrician come out to fit a new LED, it didn’t...
  7. D

    Running new circuit to AC unit, please review my plan.

    Running a new circuit to an AC unit, making sure I'm on the right track. The attached chart has the information for this unit which is on column 4. Maximum overcurrent protection: 30 amps Minimum circuit ampacity: 19amps 240 volts It will be running across a rooftop in a pretty hot location...
  8. 2

    This one's new to me... Your thoughts please gentlemen.

    So how about this metering setup anyone? I have never come across this setup before, and I wonder whether the client would be better off keeping it rather than persisting with his attempts to get a smart meter fitted because he's keen to monitor and reduce his bills.... that is I wonder how...
  9. W

    Help Please! Need a little help with notifying DNO!

    Hi all Just about to carry out my first EV charger install at the end of the month and im filling out the DNO notification form Im just stuck on the section about 'has this service capacity been verified by the DNO?' I have undertaken a load survey and all in we are at about 80A so above the...
  10. littlespark

    Help with tables and graphs please

    I would ask my daughter, but she’s on study leave for exams. Basically I want a graph that will compare readings from 3 different electric meters. I want to graph the difference between each reading, not a gradually increasing line. I’m trying to compare what my hot tub consumes, compared...
  11. M

    Need some advice please

    I have 3 double sockets all fed from separate 32 AMP EACH . The distance is 2m from the board and the cable is in 25mm metal conduit. I have used 4mm single core cable for each socket . I’m told I need to upgrade this to 6mm single core . Why is 4mm not big enough ?? (reason it’s single is so...
  12. R

    3 phase sub main…help please??

    Hi All I’m in a bit of a quandary at work and need a couple of things clearing up if poss. I’m the maintenance manager/spark/fitter/skivvy/everything else that needs doing man 🙄 in a plastics factory and I’ve got to provide a supply for a new machine. The current set up is a 90mm SWA protected...
  13. K

    can anyone identify this cable type please

    at first glance i thought it was volcanized rubber but it is tough like PVC and the sheath is much bigger than the cores they are loose inside
  14. H

    Looking for advice please!

    Hello everyone, before i start digging into my issue I would like some advice from professionals on where I should begin. A while back I lost power to one of my circuits, I swapped the breaker to see if that was possibly the issue but it was not. When i have the breaker on as you can see in...
  15. sythai

    After you thoughts on this tap positioning/ vs electrics please ?

    Hi Guys After you thoughts on this tap positioning/ vs electrics please ? (not the isolators/ mini DB being in a cupboard) Did a kitchen refurb here a little while ago and have come back to this little surprise 🚰! Tap now in adjacent part of cupboard, is sectioned off though. (For their...
  16. P

    Advice Please - Outdoor LED Spot Lights

    Pattpa69 DIY Today at 10:04 AM I am trying to daisy chain some outdoor LED lights. If I split the main power cable the first light comes on but none of the rest light up, really frustrating me as I have daisy chainEd lights in a previous home with no issues. The lights I am using are double...
  17. D

    Wiring advice please.

    Hi, Can anyone advise how these cables would be wired into the socket please. How a grey,black,brown & blue would go into a brown & blue socket ? Its an induction hob. Any help please.
  18. A

    Help please on a sub consumer unit fed from RCBO

    Long time lurker so this may be my first question. I am a qualified electrical engineer, but in aeronautics not domestic installations, and I may therefore ask silly questions. We have purchased a property that is unfinished, and where the electrician went bust before the installation was...
  19. D

    Advice about safety please.

    I am not an electrician but I am after a bit of advice. Would Ibe correct in thinking that a vehicle hook-up lead, used to keep the cooling units running when vans are parked up at its home base, should have the cable clamp on a plug should be on to the outer insulation and not onto the...
  20. robd

    Getting new MFTs any recommendations please

    Hi All, Have decided to replace my Megger 1553 MFTs after 12 years, batteries don't last long and there are a few foibles with them and I've had enough so criteria as follows: Must have rechargable battery pack Needs to be able to test A type RCD test facility Not bothered about linking up to...

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