supply

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  1. G

    Is this asbestos? It’s on my incoming mains supply at the bottom. I think it may be hessian and bitumen.

  2. sythai

    After some advice please TPN supply with single phase PV install

    Hi Guys I don't much about PV being honest, we normally just leave space on DB for the PV installers to do their thing. Sometimes having to run a cable to the inverter location. Never really hear anything about it after that. Apart from recent new build which has TPN supply/ DB and PV was...
  3. E

    100 ma Main Switch

    I have an overhead supply coming in to the property with a PME , there are two Consumer units with 100ma Wylex RCD's as main switches. Why 100ma ?
  4. M

    3 to 4 wire suppy upgrade

    I am having to upgrade the supply due to moving the underground wires and have a few questions. I did have a conversation with my inspector and got the basics but trying to keep things moving over the weekend. The house has overhead lines running to a pole and then on that pole there is a 200A...
  5. mjtefc9

    Earthing Supply Static Caravan

    Hi All, My static caravan has a ZS of 1.13.. which is very low ! I was expecting a TT.. I have not tested myself as this was on the cert I have just got after waiting for it. I'm going up next week with my Fluke, I doubt they will give me access to the incoming building, how can I be sure its...
  6. I

    Metering a small supply

    Evening, I’ve got a customer who wants a small DB installed for a couple of lights and an outdoor socket in his container. His feed (6mm 3core SWA) will be coming from a local business so he needs to know how much electricity he’s using so he can pay his bit. What’s the easiest way of doing this?
  7. Tooly1

    16mm twin and earth main supply?

    16mm twin and earth main supply to storage heater board, no mechanical protection or earthed outer sheating ? No upfront rcd only a bs1361 50amp fuse. Here’s the updated version including your Observation: The inspected apartment contains two consumer units. We were instructed to carry out an...
  8. T

    Induction hob and ovens supply

    Looking for advise on how to best tackle this scenario. I have a single radial circuit on B63 MCB that used to feed very large Rangemaster cooper. Client want to split this into induction hob and dual oven but wanted to leave existing 10mm cable to avoid chasing walls. This 10mm cable is...
  9. Brownie91

    Thoughts on an old ISCO AC DNO supply?

    Hi all What’s your thoughts on this supply? Came across it recently and wasn’t sure whether to mention it to DNO as it’s quite old but not sure if it warrants it or not.
  10. P

    Hot tub supply

    Hi everyone, I have a redundant 40amp fuse on its own breaker which was originally for a shower. It’s capped off in the loft, can I use this supply to power a hot tub? Cheers in advance.
  11. S

    Can I use three pin plug 240V mains to supply DIN rail transformer?

    I recently moved into a new house that had a ring camera hard wired using bell wire. This was also hooked up to the houses old chime. I didn't want the ring camera so switched it for Eufy C31 which I also want to hardwire in the same way. Unfortunately the transformer for the Ring only supplied...
  12. mikehenson

    UK 3 Phase Supply

    I have recently become involved with our local church when I became aware that the installation was 3 phase. Looking at the meter I see that phase 1 is using 60%, phase 2 using 48% and phase 3 zero. I was always under the impression that 3 phase supplies should be balanced?
  13. KevHardy

    Can a dodgy electric supply cause a TV fault?

    Hi, turned on (LG) TV this morning and got a 'Select Item' screen and the volume graphic flashing constantly. The remote works and you can select menu items but it returns to the 'Select Item' menu shortly after. I looked online and some suggested faulty power or HDMI cables, so I detached...
  14. J

    Spur for garage supply

    Hello everyone, planning an install were it is impossible to get back to the cu. Currently have a outdoor socket (on a ring with rcd protection) which i am planning on spurring of and putting a 13fused spur next to it. From here (loadside) a 2.5mm armoured has already been installed for approx...
  15. G

    Electrician Jobs TT supply for hot tub

    Hi, I have recently had a hot tub fitted and am not comfortable with it being supplied directly from TN-C-S supply. I’m looking for someone to modify to TT, but struggling to find anyone locally who can help. Location - Warrington, Cheshire. Thanks.
  16. banny07

    UK incoming power Supply

    Hi. Could anyone please help me with bs number of main Fuse in this picture? Dno have no record of this. Thanks
  17. E

    Questions regarding garage supply.

    I have been asked to supply a garage/stables with some sockets, they are reluctant to have a CU due to cost and will be converting the whole space completely in the next 5 years or so and will do it ‘properly’ then and they just want some power out there for now. There is a 32a MCB on the main...
  18. T

    Control circuit supply

    I have recently purchased a used three phase oven in good working order. The control circuit is 220 v and is supplied from one of the phases and a neutral direct from the mains board. I have been advised that for, safety reasons a 440v/220v transformer would have to be installed instead. Is...
  19. R

    UK Safe Summerhouse Supply

    Good Evening Folks! I recently started on my house for an Outhouse/Summerhouse 35m away from main Property. It requires :- x5 Double Sockets x2 Strip Lights The sockets will be used for Televisions and Charging. I have 2 ways i’d like to to this. A 6mm SWA from Main CU/32A RCD clipped...
  20. S

    UK Is the main fuse head satisfactory protection for SWA supply cable?

    Commercial/Industrial installation. Summary of installation: Main feeder pillar contains TNCS incoming supply single phase 100A main fuse, 25mm DNO tails, meter, 100A double pole isolator switch, 25mm tails/16mm CPC to 63A rotary isolator, 10mm SWA cable 25m run to digital advertising panel...

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