supply

  1. L

    Electric supply to new annex

    I'm converting my old garage into a two bedroom annex. At its nearest point it is approx 10m from main house. I plan it to be all electric, UFH, electric shower, electric hot water, cooker. Now, I think there are 2 ways of supplying power to the new annex: 1. Run 25mm SWA tails from henley...
  2. J

    Can i make a over head supply tncs

    I have private two wire overhead supply from a tncs pole and meter remote 8th mile away can make this tncs at house
  3. JoeMagin

    Selectivity at Static Caravan

    Hi all, Just a electrical student here, and on holiday at a caravan park so, of course, i go snooping about a bit for the electrics. I notice the caravan at the hook up is fed off a 30mA RCD and 32A MCB. The board within the caravan contains a 30mA RCD and a 32A ring. As im just learning I...
  4. HappyHippyDad

    What power supply for this large 12V Fridge/chiller?

    My customer wants to fit a large 12V chiller at her farm. The supplier has said it is 12V and 80A. A couple of questions.. 1. What sort of power supply unit would you use for this? See link below of the ebay item. 2. Is this going to be 80A at 12V or 80A at 230V? At 12v it would only be...
  5. H

    All electric flat require a 3phase supply

    Hi! Currently doing a job that they have decided against getting gas meters and going all electric. Electric boiler 9.5kw 2x shower 9.5kw Hob say 6.5kw 2x 32a ringmains 2x 6a lighting circuits I understand they have had a 13Kva supply installed. Obviously this will not be enough to run all...
  6. B

    Incorrect supply cable & boiler problem

    Hi everyone…I have a quick query regarding an issue I’m having with my boiler at home. There has been no hot water, the electrician has come out and diagnosed that the supply from the main fuse board has blown the clock and fuse spur. They also found that the cable is a flex cable and not the...
  7. R

    Some re assurance - electric supply for a 3350Watt Microwave

    We had an electrician out yesterday to fix something in our kitchen. I asked him to check our built in microwave and he said the wattage would be pulling around 14.56amps. After he looked at the wall socket he said that this microwave should be installed on its own supply and not on a standard...
  8. P

    UK Earth issue in my home.

    Hi there, I have found 23v going through the pipework of my water supply. People come across this before and causes?
  9. P

    Supply for 2 x immersion heaters.

    Hi everyone I have 2 x 250 litre unvented indirect DHW cylinders. The primary heat source is the oil fired boiler, but both cylinders have backup immersion heaters. Currently, only one of them is connected - it has a dedicated circuit with a 16a mcb and a DP switch. The cable is massive -...
  10. K

    Advise on how to route Power supply for UFH on concrete slab

    We are replacing the flooring for the whole ground floor - it is a circa-2000-build house with concrete slab. We're taking the opportunity to put in UFH at the same time. As it is a retro-fit, we are going with electric to keep the floor raise to a minimum. Going with 150W/m2 heating - which...
  11. R

    Elec combi boiler supply

    Hi all. My mum has just moved into a flat and it has an electric central heating boiler and a hot water tank/immersion heater for the hot water. I’ve said will look into putting a combi boiler in to free up the space in the cupboard for a washer/dryer. The flat is about 10 years old. The boiler...
  12. Downham

    Cable Supply Size 1km

    Hi there I am looking to run a supply cable to a house in rural Italy, however, it's quite a distance from the pole to the property. The distance is 1km, the supply is 230v, single phase, usage will be average... 8kwh? My question is what size cable would I need? Would they need to be...
  13. J

    TNC-S Supply but combined again at DB?

    Took a look at a block of flats today that has a TNC-S supply. Each flat is fed by a 2-core mineral insulated cable. The earth and neutral are then combined again using a henley block prior to entering the consumer unit. Has anyone come across this before?
  14. A

    Two 16amp ovens on 32amp mcb B supply

    Hi, I am replacing an old double oven with 2 new small ovens. The old oven is wired into a dedicated supply with a switch and the consumer board has a 32amp MCB B breaker. New oven 1 requires a 15 amp fuse and 2790W. link below. https://www.zanussi.co.uk/kitchen/cooking/ovens/oven/zohnx3x1/...
  15. C

    MCCB used as a final circuit supply

    Currently pricing a 250a Power upgrade for a small warehouse, the new 6 way 250a MCCB panel will essentially be used to supply x2 fuseboards however i want to have the MCCB panel also supply the larger plant as i want the MCCB panel to take the heavy loads as the client said he will never be...
  16. S

    Cooker supply to 13 amp sockets

    I will shortly be having a range cooker installed that requires 2 x 13 amp supplies. Maximum power required is stated as 3 kW and 2.85 kW respectively. I have a redundant cooker supply on its own circuit, probably 30 amp. I would like to convert this to provide the power for the new cooker. Can...
  17. N

    Gas meter with plastic supply pipe - earth bonding worthless?

    A 'Sunday challenge' for the qualified electricians.... Can anyone explain why a built-in gas meter housing box that is located 600mm above a block paved driveway, with a plastic (Polyethylene - MDPE) supply pipe and no extraneous conductive part, could result in a dangerous potential...
  18. D

    Sub mains supply wiring

    We currently have a property being split into 2 No. flats. The local electricity board have put the 2 No. meters and consumer isolators external at ground floor level within a housing. My question is can we run the upstairs flat sub mains supply (SWA) through the ground floor flat to the first...
  19. W

    Outdoor 230 EV charger with 115 V outlet: supply through conduit . Does this plan make sense?

    Hi! I’d like to install a pedestal-mounted (230 V, 30 A max - programmable) EV charger close to my driveway, which ends about 12 feet away from the house, on the other side of a landscaped rock wall of sorts. While I am at it, I would like to oversize the circuit to allow a second EV charger to...
  20. R

    Electric Shower Supply

    We own a small, one bedroom flat (built 1989). An EICR inspection raised three C2 observations and recommendations: (A) The shower cable, and mcb were incorrect size (9.5Kw Mira shower) - Recommend replace 6mm cable with 10mm cable (12 meters, surface run, in trunking) and replace 32 amp...

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