mains

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  1. O

    UK Running a couple new sockets from mains

    Hi everyone Just looking for a little advise on if my plan to run this spur is okay I’ve drawn a diagram in hopes to make my expiation simpler The MS square is the main socket which has not been tampered with The F is a 13 amp fuse spur And the S are the additional sockets which I plan to...
  2. G

    Adding extra chime to mains wired doorbell

    Hi I have a mains wired doorbell with the chime in the hallway. Parents are elderly and dont hear the bell all the time. I want to run two wires from the hallway chime into living room and add another chime there. Does the new chime need to have built in transformer does it not require it...
    • Groove Rida
    • Thread
    • adding chime doorbell extra mains wired
    • Replies: 19
    • Forum: UK Electrical Forum
  3. N

    convert 12v gu5.1 to mains gu10.

    convert 12v gu5.1 to mains gu10. but confused why this transformer has two live wires? can someone explain.Do I need a driver or I can directly attach GU10 holder to the mains? and what should be done with second live wires?
  4. C

    UK Generator connection to mains supply questions

    I want to use a manual change over switch to safely connect a 21kVA single phase tractor PTO powered generator to my mains supply in case of power outages. The cable run from the generator to the outside mains incoming box will be about 40 meters. I intend to use 16mm SWA for that run. The...
  5. A

    Solar and Mains metering

    I have solar which sends excess watts to the mains. I would like a clip on meter that would show what power I am exporting or importing,
  6. Rockingit

    Mains adaptor - to fuse or not?

    Here's a Sunday puzzler for you all..... I've a large rental stock of properly made up mains adaptors for use in Europe and elsewhere - so typically something like a Schuko >1m 3c H05 / H07 1.5mm flex > twin 13A duraplug trailing socket, variants for other countries, USA and so on. The other...
  7. T

    What is maximum current of the mains?

    Hi, What is th emaximum current draw allowable from the mains for... UK domestic single phase Light industrial single phase Light industrial 3 phase If there are different levels, then please advise. Basically i suppose what i am asking is what current does the wiring have to be rated for...
  8. K

    English Electric Mains shut down/start up procedure

    Hi everyone, my husband has turned up on a job with a very old mains that he will need to shut down at some stage. Does anyone know the procedure for shutting down/re starting this type of mains? Photos attached. Apologies if this is the wrong forum and thanks for reading!
    • Katie_J8
    • Thread
    • electric english mains procedure
    • Replies: 36
    • Forum: UK Electrical Forum
  9. meketrex

    How to wire mains power to an SPDT (maintained) switch

    I currently have a Single Pole Double Throw switch with 5 pins (as shown below) which I want to wire up to UK mains: ┌─────┐ │ NC │ └─────┘ ┌─────┐ ┌─────┐ ┌─────┐ │ - │ │ NO │ │ + │ └─────┘ └─────┘ └─────┘ ┌─────┐ │ COM │ └─────┘...
  10. V

    Multiple sub mains, how would you do it ?

    This is a question with probably so many answers and solutions, but I wondered how people would do it. I have a clients house which already has one submain on a 40A MCB to a Garage with a 20A RCBO radial and a 6A RCBO lighting circuit + a spare 32A RCBO. Selectivity not an issue. They need a...
  11. M

    Mains fuse concealed in wall cavity

    Hi all. I have a question i'm hoping some of you can advise on. A long story short my main fuse has been hidden in the wall cavity(by the previous owners - which was not picked up on my survey before buying the house) and after pulling off the wall tiles recently to retile my kitchen I've...
  12. Carolina

    Finding transformer VA rating

    Hello everyone. I'm in training but we haven't seen transformers or how they work yet. I have a transformer here I'm trying to figure out. There are no labels or inscriptions on it. Primary side has 3 wires: black, blue (AC in), yellow (AC out?) and Sec has red and blue. Labeled USA 18AWG so a...
  13. J

    Mains electric shock from plastic light switch - no fault found by electrician - what next?

    Hi all! This is my first post and I have registered to ask for some help with troubleshooting an electric shock I got from a plastic light switch outside a bathroom today. I turned the switch off with my left hand and got what felt like a mains electric shock through the switch into my left...
    • jimster99
    • Thread
    • electric electrician fault found light light switch mains plastic shock switch
    • Replies: 44
    • Forum: UK Electrical Forum
  14. G

    Faac c721 shorting power on mains

    Hi, I have installed a faac c721 with 4 Photocells and everything we connect the transformer it trips the power in the house. We have tested and we get 250v but cannot understand why it keeps shorting the circuit. The c721 is just sat on driveway can't get around it. Has anyone noticed problems...
  15. C

    Neighbor says they need access to my mains box to install their smart meter?

    Hi Everyone, Hope you’re all well! I’m wondering if anyone is able to shed some light on a situation I’m having with my neighbour. I received a text last night saying the below: “ Hi , hope you’re both well. My flat came with old key meters for gas and electric. When I first moved in, I...
    • Cw1112
    • Thread
    • access box install mains meter smart smart meter their
    • Replies: 21
    • Forum: UK Electrical Forum
  16. timhoward

    Anderson connector for 230v supply?

    I thought I took a photo earlier but seemingly not. Someone's fitted a joint box to move a consumer unit. It's a refreshingly neat job. Din rail, wagos DIN connectors for final circuits etc. It's even fully labelled up. One thing is a first for me. Inside the enclosure, an Anderson 2 pin plug...
  17. M

    Aluminum wire for new mains smoke detector?

    I have recently replaced my old mains (230v) smoke detector with a new one from Siemens (also connected to mains). The flexible stranded wires for the new smoke detector are silver/aluminum coloured. The same was applicable to the old smoke detector. They look like this: I just recently...
    • Moonwalker
    • Thread
    • aluminum detector mains new smoke wire
    • Replies: 2
    • Forum: UK Electrical Forum
  18. pirate

    Info please on a mains powered smoke alarm

    Not come across this before, so would like some help, please. I went to install smokes and heat alarm (to new Scottish regs) in a fairly modern flat last week. The flat is on the top floor of three. Noted that the flat had one smoke in the hall. Assessed minimum requirement as smoke in hall...
  19. Midwest

    H07RN-F FLEX MAINS suitability

    At work in our main kitchen, the 6kW (26A sp) water packed up. The restaurant staff were in turmoil, as they had no hot water to make the tea. Luckily we had a new spare one lying around. The old one was fed by a 32A supply, 4mm 6242B (LSOH) cable 32A RCBO. From the rotary isolator, the...
  20. 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...

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