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  1. S

    Under floor heating over 3kw

    Hi guys Being to a job today where the builder has installed some electric under floor heating Total area is 20.5 m2 The mats are 150w per m2 The total load is just over 3kw. He has first fixed the wiring and checking it he has used a socket wired off the ring main to spur off to a switch...
  2. S

    Earth wire loose under sink - advice

    Hopefully a very quick question. Whilst looking under my sink this morning I noticed the Earth wire between the hot and cold pipes is no longer connected. I can't recall if it ever has been but I'm assuming this has come loose and I should reconnect it? If I do connect it should I take any...
  3. G

    Hardwiring under cabinet lights

    Hi all, I want to add some under cabinet LED’s to the kitchen and hardwire them to a light switch. We had our kitchen newly fitted out sometime back and the electrician has already wired to a spare switch we have and left the other end of the wire in a junction box on top of the cabinets. This...
  4. Gavin John Hyde

    What lurks under the floor?

    Customer sent me a picture of some cables that lead to a socket, needs them moved.as socket is below a window that will be knkcked through to make a door. Apart from the lovely spider in the picture, if you zoom in there is some thing with a bright green eye staring at the camera!! WTF is that...
  5. P

    Newbie from the land down under

    Hi Folks, I am well passed the sell by date at 77 but often do some electrical work providing I know what I am doing I was a pro guitar player over 45 years. I repaired all my equipment over the years and made a few circuits. I have just returned to the UK due to health issues...
  6. S

    RCD tripping under high load on 2 circuits

    I’m in desperate need of someone with great fault finding knowledge. I have a dual rcd consumer unit as seen in picture. The left hand side rcd trips when anything with a high output like a tv for example is turned on in any sockets protected by the left rcd. The left rcd also trips when trying...
  7. M

    Garage feed under neighbors drive

    Hi chaps A client's neighbor has given permission to pass an swa under his driveway to reach my clients neighboring semi detached garage. New build nightmare scenario with shared driveways. An agreed level of making good the driveway shall be confirmed probably by third party as my client...
  8. C

    Domestic SPD requirements under 18th edition.

    Hi all, I haven't done domestics for a while and have been asked to install an 18th edition CCU to a small terraced house ( 2 floors Ground and first). I been told that I need to install a SPD? Can someone confirm this is the case and are there any exceptions. Haven't done my 18th but will be...
  9. sparks1234

    Wiring down under

    I did have a little chuckle when I was in New Zealand and managed to find this in my hotel room, shut the door quick on it though
  10. Martyn Campbell

    Domestic Wiring to Garage under floorboards SWA Required?

    Hi, My Garage is attached to my house and currently there is a standard 3 core cable running from my consumer in there. I have just had my consumer upgraded/replaced and starting renovations on the bedroom directly next to the garage so would like to replace the cable as well. As the cable...
  11. K

    Under cupboard lighting - help!

    Hi all, I bought a Taylor Wimpey new build and had under cupboard lights put in the kitchen. 3 years on and the first one has gone out but when I unscrewed the casing to see how to change it, I am completely baffled! Can anyone tell from the pic what I need to do/buy to change this, or do I...
  12. Barnaby Stedman

    Running under block & beam

    Has anyone had any experience with running rfc's under a block and beam floor on a hardcore base?
  13. C

    Notifiable under Part P

    installed 10mm swa and 60A kmf from domestic 100A Farm house to supply static caravan for holiday let use. TT'd the caravan etc... Doing installation cert for install and eicr for existing caravan. Would you notify either? Cheers.
  14. A

    Routing new cables under floorboard

    Hi guys after a second option here In the process of a rewire and I’ve lifted upstairs floorboards on the landings suss out my route for new upstairs ring, lighting and boiler circuits. The joists within the landing have a 25mm hole for existing up and down lighting circuits and no room left...
  15. rustynails

    Current generation under control

    You've all seen people on YouTube overloading twin and earth cables, JW etc... How are they generating current and how are they able to control that generation?
  16. alban moffitt

    Running Cable under floor with UFH?

    hello all, seeking some advice on how to run cables underfloor with ufh as well. i am quoting for a complete house rewire as they are doing some substantial works and the electrics are in poor condition the floors consist of hardcore then sand then dpm sheeting, celotex on top of that with wet...
  17. R

    Under bathroom floor rewire?

    Hi there, We have had an electrician work on a fix price job to rewire the house. He has routed all of the cabling under the bathroom floor. I expected that he would routed another way which was more difficult, but wouldn't have gone under the bathroom floor. Is anyone able to confirm if this...
  18. Soulcraft Electric

    Domestic Recommendations for traditional CCTV under £200

    Hi, A customer is looking for a traditional CCTV system with a purchase price between £100-200. Ideally 1/2 cameras (720/1080) with associated PVR. It's a total minefield at this price point... Any thoughts?
  19. B

    BS 7671 max surface temperature under fault condition ???

    Can anyone give me some clarification on the following. I am installing some Osram Planon Plus led light panels into a temporary building and have been told the transformers need to housed in an enclosure as they do not have the correct markings for BS7671 "max surface temperature under fault...
  20. D

    Supply and meter under a sink?

    Hi All, I want to start by saying thanks to the experts on here that give advice. It’s been really helpful looking over past posts. That said, I haven’t quite seen this issue before so I wanted to ask. I am about to buy a new house, and one of the things that has been flagged as an issue is that...
  21. J

    Domestic Under cupboard lights installation using socket mounted under cabinet

    Hi all. Some advice sought. I have 2 lights under my cabinets they plug into the wall sockets below them. I now want to hardwire the lights as i got a new cooker hood fitted and the spark pulled the power cable out so its now accessible to use. Previously it was hidden. So it looks like a...
  22. D

    Running 10mm T+E under celler joists.

    Hello, Whilst doing some building works I have access to the inside of the stud wall to which the consumer unit is fitted, so full and easy access to all the cabling there. This wall is soon to be tiled. In the future I will want to put power into a garage at the end of the garden. I happen...
  23. James Harrison

    Electrician Unidare Storage Heater with Under floor air flow broken

    Hi, I'm trying to help my elderly dad who has a Unidare Storgae system with underfloor air circulation. The motor appears to have stopped working. Can anyone help. I'm in Winchester, Hampshire. Many thanks in advance.
  24. P

    wiring under cabinet strip lights supply or load

    hi Wonder if anyone could give me a bit of advice. I have taken out my old fluorescent lights from under my cabinets and I'm replacing them with low wattage led strip lights. I have 2 in total. I have my mains supply cable which comes from my Light Switch and this cable runs to under my first...
  25. N

    Cables under concrete base or under screed?

    The floor of the kitchen will be filled up with: 1) Concrete, on top of which will go 2) insulation with pipework for wet underfloor heating system, on top of which will go 3) screed. Can the armoured cable run under the concrete base or does it always need to go above concrete base and under...
  26. Baddegg

    Pub project now under way............

    As per previous thread a wile back the pub build is now under way and upto roof level,just wanted to check my proposed electrical feed if I can please? Earthing is TN-S not TNCS previously thought,(customer has now cleared the meter cupboard!) Anyway loading in the pub is as follows 1 x 32a...
  27. Gavin John Hyde

    SDS drill for under £30! Curious

    Browsing the screwfix page for some drill bits, came across this sds drill for 30 quid. Made me wonder if its actually any good? If you have a simple job and need something quick it might do the trcick. Likewise if you need to put a fan in and need to core a hole. Anybody got one? Interested to...
  28. T

    What S.I. under risk assessement for omission of RCD in regs

    Ok so as I am moving VERY soon I have packed and sealed all my electrical books away. I don't have access to regs consequently. I am racking my brains regards risk assessment for omission of RCD on sockets. If you read the fine print it references a statutory instrument regards the standard this...
  29. B

    RCBO Replacement under 18th Edition

    Hi, Complete laymen to the electrical world so need some advice. We had a complete rewire done in 2016 and as part of this we had an RCBO unit put in. Today we have had an issue where there has been a loose connection and the board needs replacing. This is being done under our house cover but...
  30. robd

    Cable duct for under ground SWA

    Afternoon all, On an extension job, customer wants a cable run to a pond which is 70m from the house, for oxygenation and some lights. There are quite a bit of groundworks going in including all the drains which will be running downhill to said pond and are being dug currently. Builders want...
  31. M

    Low Ze, high(ish) R1+R2, Got a plan but just had an idea

    So Ze=0.02 and R1+R2 = 0.73 on a first floor ring main. Nearest submain is about 35m away, so that Ze's plausible, and even a slightly indirect route makes Ze=0.03 realistic. So MCBs are going to need changing to Type Cs. Unfortunately for that first floor ring R1+R2 of 0.73 is too high for a...
  32. B

    CAN YOU IDENTIFY THIS? ARMOURED CABLE UNDER ROAD

    Exposed by recent gas mains replacement, Also exposed were the old tram lines. The cable looks all armour and no conductors? Could it possibly be an part of an "earthing system" for the tram tracks/lines?
  33. happyhippydad

    One vent for 2 extractors, under floorboards?

    I have to get a kitchen extractor and shower room extractor vented outside. They are back to back to each other on the ground floor. There are no external walls that lead to the outside. I can run the ducting under the floorboards between the same joist (both extractors) all the way to the...
  34. S

    Domestic Under and upper cabinet lighting

    Hi, Hope someone can help. We currently have under cabinet lighting installed in our kitchen (by the developers when buying the new build). Keen to extend this lighting to above the cabinets, there are additional unused connections available in the current electrical supply. Struggling to...
  35. happyhippydad

    Ikea under cabinet lighting....

    Hello all.. I am wiring a new kitchen/extension. The customer is supplying the under cabinet lights, see link UTRUSTA LED worktop lighting w power supply White 40 cm - IKEA -...
  36. R

    Under cabinet lighting installation

    Hi, thanks in advance for any advice. I had our kitchen redone a year or so ago, and at that time hadn't got in the under-cabinet lights, so the fitter left some terminated wiring to allow me to connect later. I just wanted to check what was in the realms of sensibleness before I installed...
  37. PJElectricalSW

    Electric Under Floor Heating Survey

    Hello everyone I wondered if you would be able to help me with a project at the moment, I am looking for information about your experience with electric UFH. I am not going to lie to you, I do work for a UFH company so you will you will be helping me massively with my current project. I would...
  38. Jim90

    Lamp post under mains pylon question

    Hi guys, We are replacing lamp post heads on a site and all is going well until we reached a set of 4 underneath 11/33kv pylons. We are getting a horrible ‘belt’ off the casing of the lamp post head. The post is coated so unable to receive a belt at low level. All we can think of is it’s the...
  39. Leesparkykent

    ERG, Lom maintenance and any other name they trade under are on watchdog

    Any one who's been not paid by this company may wish to watch it.
  40. D

    Wet Under Floor Heating Modification

    Hi Guys. I have a flat with a 9KW electric boiler, dedicated for the wet underfloor heating system. The tenants have reported that all the digital room stats were not working, as when they increased the temperature to get more heat, nothing was happening. Within 15 minutes in the property I...
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