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  1. R

    What is under this lid?

    I am thinking of having an air source heat pump installed on the concrete path in front of the blue wood-clad structure (see photos), but there may be impediments. One is a hinged iron lid with "Stop Cock" on it. Inside is not a stop cock but some sort of a metal projection with a single black...
  2. Christian Lenehan

    Embedding cable under external render

    What's best practice if running cable from garage out to outside double sockets? I'm re rendering that wall and thought it'd be nice if I could hide the cable under/within the render... Is it possible / allowable within "the code"? With or without conduit? Does it need to be armoured cable?
  3. M

    How to calculate the current used by a BLDC motor under load?

    I'm working on a robotics project and currently we are designing a battery. This battery is dedicated to the motor driver and two BLDC motors. I want to know how much current the battery will draw if we drive the robot at a certain speed. More specifically, how to calculate the speed of a BLDC...
  4. A

    Contactor for carbon mat under floor heating

    I'm after some advice please, I have carbon mat underfloor heating throughout my bungalow, each room has its own thermostat and are fed via a fused spur , these make virtually no sound, whereas my living room is a much larger area of around 40m2 and has its own thermostat and is fed from up in...
  5. K

    Under floor heating mat 15Amps

    Hi there I need your opinion on this one, I need to fix mat 18sqm (200w). Client instead of one mat bought 2 mats (12sqm)+(6sqm) one thermostat . Went through the manual of under floor heating so 12sqm (2400w) + 6sqm(1200w) total 3600w. Now my question, how do I spur nearly 16amps, standard spur...
  6. L

    Remind me not to use my bare hands to trace a wire under the floorboards

    Had a floorboard up recently following a water leak. While there, thought I would connect in a stair light, which previously was switched separately to the landing one. Discovered a previously unknown junction box - not normally maintainable, but moving past that ... - wiring very neat...
  7. littlespark

    thin under unit LED light

    Ive got an old T5 (or4?) fitting to change to LED, but its built into the kitchen cabinet between two shelves of glass. Is there any like this: 13W LED Slimline Under Cabinet Link Light 4000K - https://www.cef.co.uk/catalogue/products/4228924-13-watt-slimline-led-linklight but only 18mm wide...
  8. Mᴀʀᴛʏɴ

    Wanting to add led strip lights under the stairs.

    Wanting to add 2 strips of led lights down each side of underneath of the stairs, I have a socket I can spur off, into a fused switch, been looking at angle profile, so light is better, so ideally I need a LED driver, some led strips, and a way to connect them, happy to wire/solder something...
  9. Kilgore_Trout

    Nicked a Wire Under the Floor...Junction Box or Rerun?

    I dropped my multi-tool onto a 10/3 wire yesterday when removing some rotted flooring in a mobile home. I could see a bit of copper so I don't feel comfortable just wrapping it in electrical tape and calling it good. There is a crawl space underneath the mobile home where I can have the wire...
  10. punkin

    PAT testing a Ariston Andris under sink water heater

    Hi All I’ve come across this heater Ariston Andris Lux Undersink Water Heater 2kW 10Ltr - Screwfix - https://www.screwfix.com/p/ariston-andris-lux-undersink-water-heater-2kw-10ltr/3248g Its a plugin & I’m trying to PAT test it. It doesn’t say which class its is under (1 or 2) I would assume...
  11. W

    240v outlet voltage drop under load

    I have a 3 prong 240v outlet for a dryer that reads 240v across both legs and 120 across the ground. When I turn the dryer on and have the multi meter to the ground and a hot leg it shows 120 but if I switch it to the b leg and ground it shows 40 then climbs up slowly to 120. The ground is new...
  12. D

    Cables under bath safety concern

    I just had a water leak and had to take the side of the bath off and delighted to also find a few cables going into the floor and shoddily into the wall. I can only guess they are for the house alarm, which is located below in the garage. I'm thinking of hiring someone to come and disable the...
  13. G

    CU under wooden stairs, Loft conversation

    Hi. I was asked to work on a loft conversion and a full refurbishment of a 5 bed house. The contractor said that as he is doing a loft conversion so it's defined as a new build.(is he correct?) The income tail and meter are under wooden stairs which will be the main escape route. As far as I...
  14. S

    How to hide too much cable under a ceiling light rose

    We’ve removed a strip light from the kitchen and discovered loads of cable behind it. Loops from different plugs and switches so it can’t be removed. It was easily hidden in the big light but ive bought a light with 3 spots on a pole and the rose bit is pretty shallow. the wires can’t be pushed...
  15. I

    What under sink water heater?

    I've been asked to provide hot water in a small kitchen, no room for a storage tank, any recommendations on under sink heaters? The largest demand will be a pot wash sink so it needs to be hot and reasonably quick.
  16. Readytorum

    Disconnection under ADS

    Hi. I'm currently doing my design project and have submitted the first draught I've managed to correct most of my feedback but am struggling with question 5, Determine, for one of the fridges the minimum possible CSA area of CPC which will satisfy the requirements disconnection as ads under...
  17. M

    Electrak Busbar under floor

    Customer has a set up using Electrak 63A under floor busbar, fed in 10mm armoured and backed up with a 63A c type mcb. From this he has 32A unfused tap offs wired in 4mm in flexi conduit going to 16A rcd which then feeds 3.15A desk top supplies. Am I right in thinking the 4mm feed needs...
  18. K

    RCD protected Cables under Computer Flooring?

    Hi All I’m after some advice, I am doing a restaurant fit out involving a number tables that have hot pots built into the table, for customers to heat/cook their food in the hot broths or stews what have you. These are 3kw and just fed from a fuse spur. The cable run is LSF T&E on tray laid...
  19. Lucien Nunes

    Silly quick Q about BS1363 unsleeved pins under ACoP Ed.5

    I can't find my current ISITEE ACoP (5th edition) but I need to be quite certain about the position on unsleeved 13A plug pins. I think I know the answer but I am being challenged on it. Can anyone quote directly?
  20. K

    under floor heating 32amp final ring advice needed

    Hi all looking for some advice as a non sparky , be gentle :) To be clear I wont be doing the work myself , just want to be better informed. I already had an underfloor heating mat rated at 6.8A installed in my kitchen , this worked off a fused spur (13A) on the kitchens 32amp Ring final...

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