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cable size

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  1. G

    Cable size for car lifter ( ramps)

    Hello gentlemen, Please can someone guide me i would really appreciate. Customer has 2 x Car lifters fitted i assume its 16a each, single phase with a 13A, 3 pin plug. I wired 2.5mm ring main twin and earth clipped on the wall to 2 x double sockets. I ll also be using Rcbo as they been fitted...
  2. Y

    Cable size

    Hi everyone, Ive been asked by the customer to supply a 16mx8m metal shed, it will be used as for his hobby of working at old cars it will have 5 circuits, supply to another out building 50m away with a couple of sockets and 5 lights, prob 20amp be enough a ring main lighting circuit 6-8 led...
  3. P

    What cable size and breaker would I need for two extractor fans in a public toilet? 1.5mm 3 core and a 20amp rcbo?

    What size cable for 2 extractor fans in a public toilet?
  4. K

    Can ring circuit be bigger than 32A with bigger cable size??

    Hi everyone my questions is regarding a ring circuit wired in 2.5mm standard twin n earth with 32A MCB however my question is hypothetical if there are 2 laundry and 2 lets say tumblers so load is not suitable for the circuit and you want to upgrade but there is no space in consumer unit to...
  5. C

    Cable Size for 100m Shed Run

    Can anyone recommend a good Cable Size calculator to use online? The old man wants me to order some 6mm 3 SWA to feed his shed that will go on to supply some sockets, fairy lights around the garden and other stuff, no power tools or high load activities. Cost is the mitigating factor here...
  6. A

    Cooker Cable Size / Wiring

    Hi All Just looking for a 2nd opinion on cable sizing / breaker for a old cooker. The customer has had a 'Cooker Engineer' out to advise that the cooker needs to be wired in 16mm cable to a cooker switch which is currently unused. The current setup is a 2.5mm HR flex on a plug top with a 13...
  7. multimarcus

    5v 60A Power Supply for LED Panels — Choosing good cable size

    Hello everyone! I would like to power 8 LED RGB panels, each takes 5v input and according to the datasheet 20W. (I take every consumes about 4A x 8 approx 32A) I have a Power Supply from Meanwell. It has a single output of 5v and 60A, I could also opt for a slightly smaller one, 40A if better...
  8. P

    Cable size

    Hi guys, can anyone help with this please. I've a new kitchen going in which will have an induction hob, main oven & a compact oven/ microwave. Induction hob is 32Amp & 7350W Main oven is 16Amp & 3450 W Compact oven 16Amp & 3650 W New wiring is going in so would it be ok to use 10mm cable...
  9. RyanAspire

    New circuit design question

    Hi guys, Have a job on next week for a friend, my usual industry is maintenance so want to be sure I am checking all the boxes here. He intially measured the run out at 122m, which would require a 70mm cable due to volt drop, however its changed slightly and I have other queries... He now...
  10. kenny maccuish

    Cable size?

    Hi guys I have a job next month where my customer has decided to split his house into 2, luckily there are CU's in the 2 halves and apart from a few wires needing moved for the hallway for lights etc the only real issue i have is a new supply cable to 1 of the CU locations which is about 20m...
  11. J

    cable size for shower

    Hi guys I have been asked to fit new shower and run new cable for it too, looking at regs book it would have to be reference method 103, which for 8.5kw shower would mean 16mm cable, can terminals in the shower take 16mm and the terminals in the isolator? I have tried looking for different cable...
  12. F

    Cable Size Query

    Hello, I'm hoping someone can help me with a problem I've come across on behalf of a colleague. A single phase PV system with a 6kW inverter has its AC running 187m underground to its point of termination. The cable that has been used is a run of 3 core SWA (6mm) carrying the neutral, and...
  13. 1

    Armoured cable size 1.5

    Hello all , In the garden there is 1.5 3 core armoured cable running from the exterior wall to an outside socket , the power is from a socket inside the house (on the interior of the same wall) I know the sockets are wired in 2.5 but why is the armoured 1.5 ? Thanks
  14. L

    Cooker cable size

    I am not an electrician but consider myself to be very knowledgeable in installation works. Lately however, I have come across a problem when carrying out work at my home. I have supplied my cooker circuit in 1.5mm cable as stated in the 18th edition but have since had issues with my sockets...
  15. F

    Cable size to electric shower

    I have a customer whose electric shower has stopped working. It has previously been working fine for a couple of years. No problems before hand, no faults on the board or tripping out. upon inspection it looks like the supply cable is undersized. He’s asked me if this would have caused the...
  16. G

    Cooker connection

    Hi I’m in the middle of installing a 2500kw cooker, I have an existing cooker circuit with 6mm cable on a 32Amp breaker with a spur coming of the cooker switch to a double socket which I assume fed the old cooker on a plug top! My question is: Can I replace the double socket with an terminal...
  17. S

    Cable size changes over distance

    I’m intrigued by cable size calculations for my garden. The distance from my consumer unit at the front of the house to the garden is 14m (20m cable route). Garden is 34m long to the front of a shed. There will be other sockets, lighting, irrigation control used in the garden as well. I am...
  18. U

    UK Need help with cable size and breaker size

    I’m still an apprentice electrician so the whole thing around diversity is still a bit confusing to me A family member has moved into a new flat. The existing cooker circuit is 6mm on a 32A MCB. She has bought a cooker which pulls 9.6Kw. I know you do 9600/230 = 41.7 This is telling me that...
  19. M

    Downgrading cable size

    Hi guys I was doing a kitchen recently and behind the cooker hood I had ran 2.5mm from a FCU, the hood can with 1.5mm flex. I had put a plug top with a 3amp fuse onto the flex and then a single socket for the 2.5. That way you just plug it in. The kitchen fitter got all assy and said that his...
  20. B

    Cable size and fuse selection

    Hi, looking for some advice on this, 3 phase board 25 SWA incoming feed from 60A BS88 fuses, looks like someone’s replaced the 100A main switch with a 125A 4 pole RCD is there anything wrong with that? I know 25 SWA can’t take 125A and overcurrent is 60A fuses, I never understood why haha Thanks

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