mains

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  1. Jimi Z

    Is this connection safe? Oven power cable connected to electricity mains cable behind oven, sealed with electric tape.

    Is this connection safe? Oven power cable connected to electricity mains cable behind oven, sealed with electric tape
    • Jimi Z
    • Thread
    • behind cable connected connection electric electricity mains oven power safe tape
    • Replies: 23
    • Forum: UK Electrical Forum
  2. 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...
  3. A

    Diversity on a 20 Way or longer CU with many (low utilisation) ring mains

    Hello, A quick question which I suspect is becoming more commonly asked as we go towards having more ways in our CUs. Domestic dwelling, nothing too exuberent but during rejigging the large downstairs ring was split into three and some radials added, as well as seperate feeds to allow for a...
  4. B

    Feeding a mains outlet from a PDU.

    Good afternoon All, i have been advised that it's ok to install a double gang standard mains socket on a piece of furniture fed from a 10amp outlet of a 6 way 3 pin plug power distribution block. Can this be done by using a 10amp fuse in the plug that feeds the outlet? I don't believe this is...
  5. M

    Mains Cable Route

    Hi guys I have been asked to carry out an EICR on a unit which is part of a large shed/warehouse (which back in the day was a big open planned building). The mains cable which supplies the unit (PVC/PVC tails) is routed through the full building in steel trunking which passes through various...
  6. S

    Karcher SC4 fault tripping mains

    We have a Karcher SC4 steamer, it was working well until today. Now when you plug the appliance in it trips the fuse in the consumer unit. I have tried to plug it in elsewhere to make sure it was overloading, and it still does the same. I opened the device to take a look and run a continuity...
  7. B

    Sub Mains to a Load Centre in a Domestic Dwelling

    I am a retired electrician doing a home rewire. I'm taking my time because I fell about 3m off a ladder & put both bones through the inside of my right leg. That has slowed things down a lot... My understanding of the AS:3000 regs is that all circuits in a domestic residence must be RCD...
  8. T

    Does replacing a mains switch, which feeds an existing DB require all circuits to be tested on the DB?

    Hi Ive been tasked with replacing a mains switch, which is fed from the cutout and in turn supplies a domestic DB. It’s a BS88 switch fuse which I’ll swap like for like, but the existing DB, which is plastic will remain untouched. There will be henley blocks installed between the switch fuse...
    • Tomtom25
    • Thread
    • circuits existing feeds mains replacing require switch tested testing
    • Replies: 3
    • Forum: UK Electrical Forum
  9. Bluetit

    TT sub mains and discrimination..

    Hi, Just a quick sanity check really around rcbo discrimination.. but also RCDs being used as L-E fault protection. Scenario being a garage board change. Setup is: garage sub main fed from a main house CU. Initially wired in 10mm t&e with a 10mm earth along side it, run entirely in the ceiling...
  10. U

    Mains power to electric shower only 0.6v???

    90s house electric issues continues 🥲 So after getting some good advice here I've managed to sort out some of the heating issues so thank you for that everyone 🙏 I'm seem to have a few bugs and keep chasing problems So my current issue is downstairs shower only has hot water with no...
  11. M

    Extending ring mains on top of plaster

    Essentially I have a "normal" socket in a ring mains, i.e. one 2.5mm T&E going in and one 2.5mm T&E going out. I am looking to simply add two more sockets. Easy enough from a wiring perspective. But my question relates to the location of the wiring itself. The sockets will be cut into a new...
  12. 2

    Large cable protective device and enclosures

    Hi, thanks for reading this. Ive been asked to look at a job where the DNO connection (single phase 80A TT) is a long run to the final circuits. Small feeder box has been installed and the volt drop dictates 95mm cables are needed to take to another feederbox where the feeds into the building...
  13. R

    Mains tails EICR coding

    Hello everyone, I'm wondering if someone could help me with some EICR coding. I am aware that bringing mains tails into a fire rated consumer unit through separate holes can lead to some issues. I encountered this exact issue today for the first time and i am unsure whether this is likely to...
  14. B

    Mains Isolator Switch Advice

    Hi there, Any advice on this would be greatly appreciated! (Note, this is not a DIY, I'm using a fully qualified electrician, just posting here looking for advice) We need a new fuse board fitted in a property I manage, which we hope to use for short term lets in the near future (Air BnB etc)...
  15. J

    Mains Isolator advice

    Quick question. I want to put an isolating 2p switch on my incoming supply from the meter to the board. I want this to allow easier board changes in future. Tails are below the 3m. DNO have agreed to pull fuse to facilitate this work. Timing is perfect as they want to update meter and head...
  16. H

    Converting from mains power to battery power

    Hi everyone, I have a basic knowledge of electric but would like advice before I attempt, I have a electrical item that is powered by Voltage input: ~100-240V/50-60Hz - Output: DC 24V, 2-3A, I would like to make it portable by just using battery power, preferably rechargeable any help would be...
  17. T

    Solar changed old sockets I noticed one of them had voltage on even with mains off

    Hello All and happy new year. Over the holiay I have changed all of my old sockets to some nice new ones and added a couple with usb sockets for good measure. I am very picky to ensure I isolate any circuit I am working on and I had one last socket to do on the first floor which was a double. I...
  18. J

    Mains cable to consumer unit top floor flat

    Im starting a re-wire of a top floor flat, they have run an 16mm T&E with a 6mm earth from the ground floor to the 3rd floor feeding the CU, replacing this cable is practically impossible as there is no way of getting down without going through other flats. Looking for some advice of how others...
  19. W

    Home Lathe with 3 Phase inverter tripping mains

    Hello - hope someone can advise please. I have a recently purchased second hand Myford lathe which has a 3-phase inverter (Siemens Micromaster 410) Lathe all works fine but regularly trips my RCCB 80A 30mA breaker taking out half of the board - usually when first powering on. The inverter is...
  20. T

    Comsumer unit - upstairs/downstairs ring mains

    Hello, I bought a new build and noticed the upstairs MCB is controlling some sockets on the opposite floor, so if I flick the upstairs MCB it's also switching off a socket downstairs (I think it's a spur) in addition to all the ones upstairs Is there anything within 7671 that states this is...
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