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mains

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  1. R

    Zanussi double oven tripping the mains

    Hi, I bought my Zanussi ZCV663MWC cooker ten years ago, I replaced the top element four months ago and its been fine until now. When I turn the top oven on it heats up then after ten minutes it trips the mains. Also I have never used the bottom oven but when I turned it on it also tripped the...
  2. Sparkgap

    Super low mains voltage, what works?

    Some months ago the transformer feeding my road had a HV phase loss with the result that my house was only getting about 85V. It was interesting seeing what stuff worked and what didn't: for example, 60W bulbs glowed, fluorescent lights didn't(!), some LED lamps worked, others didn't, and my DAB...
  3. A

    Run vehicle air con on mains hook up

    Hi I wanted to run my car air con on a hook up at a camp site. Could I buy a mains hook up kit and run a charger to my vehicle battery. Would that work? I guess it would depend how much the charger is putting into the battery, what rating charger would I need.
  4. D

    UK LED Batten Lights to Mains Socket?

    Hello, I’m boarding out my loft for storage and I’d like some decent lighting up there rather than loft lights I’m currently using. I purchased some LED batten lights that my cousin, who is a qualified electrician, said he will come and wire in. He’s good at what he does, he’s sadly just lazy...
  5. S

    Warehouse mains upgrade and generator

    Hi guys I have been tasked with upgrading some old rewireable fuseboards for a food warehouse that runs continually 24/7. I was asked to do an EICR on the install as there maintenance guys were having issues with blowing fuses. Wiring issues are sorted now. These fuse boards are old asbestos...
  6. P

    New member seeking advice on spurs ring mains

    Hi, I'm new to the site and wanted to seek some advice thanks, relating to adding fused spurs to existing ring mains in a commercial premises. Some of my other colleagues have been asked to explore ring main alterations, but they look after some site based kit and this is more related to...
  7. T

    SPD Mains Isolator wylex/Proteus

    Hi, I was wondering if the wylex/Proteus SPD Isolators where dual isolator, they have 4 terminals at the bottom, can you use them to take 2 sets of tails of them. And what size earth should be used for the SPD when using 25mm tails and Is connecting it in parallel to the main earth correct...
  8. C

    IDENTIFY THE CAPACITY OF MY MAINS SUPPLY CUT-OUT FUSE (PLUS...)

    About 15 years ago, after having had a modern consumer unit fitted, and prompted by our electrician, I asked my then energy supplier (Tonik) if our 1968 60 Amp cut-out fuse could be upgraded to 100 Amps, and what additional work/expense would be needed. I did not know that my request had gone...
  9. S

    SPD for TPN 100a sub mains

    Hi Guys, Looking for some options to provide surge protection to a 100a TPN sub main to be wired 60m from the origin Im currently looking at installing a 4 way TPN mccb panel board with spd at the origin but it looks as if its going to cost the best part of a grand This is obviously a far...
  10. Scott smit

    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...
  11. 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?
  12. 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...
  13. 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,
  14. 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...
  15. 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...
  16. 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!
  17. 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 │ └─────┘...
  18. 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...
  19. 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...
  20. 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...

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