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  1. Z

    I never install ring circuits, the potential for danger is unacceptable

    I’d like to know if anyone else here refuses to install ring circuits in domestic premises. For me it’s either a 20a radial / tree circuit with 2.5mm, or a 32 radial / tree circuit with 4.0mm. Frankly I’m tired of finding broken ring circuits on 32a CB’s, as well as mismatches on end to end...
  2. Cupa

    Domestic Potential Overloaded? (Kitchen Oven & Hob)

    Popped round my old dear's yesterday. She quite fancies replacing her ceramic hob with an induction one, so I thought I'd take the oven and existing hob out to see what state the wiring is in (property built 1930s although I expect probably had a refurb at some point in the 70s or 80s, but...
  3. S

    Total amps potential

    hi all, Quick question I hope you can help me with, it’s to do with VIR triangle, and in this case how many amps pass through the circuit.. so.. If a human touches a circuit with 100,000 ohms resistance of the skin, and the voltage is 240 volts, does this mean the individual gets hit with...
  4. T

    Potential earth loop impedance issues for second floor flat

    Hello! After years of renting I'm currently in the process of purchasing our first property. We've had an offer accepted on a 1 bedroom flat in Surrey. However there are questions over the electrics, and knowing little about electrical wiring I'm a bit stumped on how bad the electrics are and...
  5. KeenPensioner

    Earth fault - potential on exposed conductive part

    As can be seen from my profile I am not a qualified electrician but I'm studying in my own time just for the sake of it. I understand the principals of earthing and bonding but in this video by GSH Electrical.... .....at 2:10 minutes in he says exposed conductive parts under earth fault...
  6. M

    Determining if their is a potential difference.

    Hi guys I asked this question on a recent thread abd was referred to some earlier posted videos but this didnt give me the answer i was looking for. My question is this. If you have something metallic in a property that isnt plugged in...say for arguement sake a metal pole that came out the...
  7. P

    Do others filter the potential time wasters?

    I am sure there are far more time wasters contacting me than a few years ago, or is it just me being grumpier in older age. I think I'm usually good at sussing out the time wasters and I would say that around a third of the people who contact me I don't even arrange to quote them as I believe...
  8. C

    Potential overload of ring mains

    At a house viewing I saw a dozen electric radiators connected mainly by plugs into wall sockets, one or two (in bathrooms) connected to fused spurs. I calculated nearly 14Kw and I'm given to understand all these rads are connected to either of two ring mains with 32A breakers. A quick look at...
  9. J

    Potential Trainee looking for advice on training companies

    I'm currently an overhead Lineman working on the railways 25kv system, the work is purely mechanical and most of us have zero training in Electrical theory for the most part. I'm looking to do the C&G lvl 2&3 (2365) through distance learning with ableskills to gain the necessary qualifications...
  10. RichXTuta

    Advice on Bathroom Extractor - Potential Job

    Hi there, Thought I'd post this here before I go ahead trying to hire someone, when it's something I can do myself. My bathroom extractor has packed up (seemingly). Very limited knowledge of electronics so don't want to start taking things apart. I can't tell if this piece of material is jammed...
  11. happyhippydad

    Main bonding made to separate earth rod?

    Evening all.. I have just been to a clients house to quote for some work and when checking the Main bonding I noticed that it just had a 10mm attached to the gas pipe and then straight into a separate earth rod, it was the same for the water (had it's own earth rod). I realise that this would...
  12. G

    Potential difference between Earth and Neutral

    Has anyone ever encountered a fault with a RCD which causes a potential on earth in respect to neutral? I am a trainee electrician, working with an experienced electrician. We encountered a fault today, earth had a potential of 238V in respect to Neutral and a 0 V potential in respect to...
  13. B

    EICR coding

    Hi Lads ive classed this as a C2 and there is also no RCD protection? Was told I'm being harsh but I don't think so. Also how would you choose to rectify it? Thanks
  14. E

    Is there a fault and what is it??????

    Hello lads, Right here goes I get a call of a plumber who's on a job doing a boiler chop..... He calls saying I've just tested the boiler spur and I'm getting strange readings. So being the helpful sparky I am I plod along over to his job I have a quick look at this spur must be 15 years old...
  15. happyhippydad

    Extending the equipotential Zone of PME installation.

    I was going to just add on to Voltz's thread but it seemed to come to a natural end but I had some questions. 1. A few experienced members say that you should not extend the (equipotential zone) EPZ of a PME system. Am I right in thinking that this is because of the possible potential between...
  16. M

    Would you core a 60 amp main switch been fed from a 100 amp BS1361

    I carried out a EICR and the main switch for the consumer unit is only rated at 60 amps and the main supply fuse is a BS1361 rated at 100 amps. Im thinking this should be a C2, what are your thoughts please. Many thanks Martin
  17. F

    Three phase supplying a domestic flat.

    Hi guys, i had a look at a building in the west end of london which is spilt into 10 flats this weekend to do some upgrading works to the landlord area. i noticed that there was originally 6 flats and the landlord must of added an addition 4 flats on top. Called 10 9 8 7. ( obviously). The...
  18. uksparks

    EICR Codings

    Hi, I don't tend to do EICR's that often, and have just done one and wanted a little advice as to if my codings are correct or maybe little over the top. Like I say, I tend to go on the side of safety and really just looking for a bit of direction and if I am working along the right lines...
  19. A

    Step and Touch Voltages

    Wondred if anyone had experience of step and touch voltage measurement and what values are normally measured in the field. Did a test today and got a value of 12.1V for Touch and 31.4V for step potential. Wondered if this was inline with the "Norm".
  20. S

    3 Phase map - any bright sparks?

    I am undertaking some research on the optimal potential of wind turbines in the UK. I am trying to find out where there is 3 Phase power. I am a wildlife scientist based in South Africa and have dangerously little knowledge of electricity so I would appreciate ANY guidance. Thanks Shan
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