explain

  1. Q

    Can anyone explain why this would occur

    Good evening all I'm training to become and electrician and last week I came across an issue when we were attending to some outside lights. Basically the scenario was there was two outside lights:one was a small upright bulkhead fitting with an inbuilt photocell and pir this brought itself and...
  2. D

    Ikea Cooker and Hob Explain please.

    Hi, So i have turned up to a job and this information is all i have on how to fit a cooker and a hob. Am i right in saying these to can be connected to a 6mm wire with a 45a switch for the hob and a 16a switch for the cooker? Thanks
  3. sham

    Can somebody explain this.

    I copied this pick from another thread, nobody can work out why this is done. So I thought I give it a go here.
  4. S

    Can anyone explain this - strange wiring?

    Please can someone help to explain this IMG 20180717 204316 - https://ibb.co/i9RBKJ There seems to be 3 lots of live/neutral/earth. I saw this when I removed the old chandelier. Problem is, it seems that the three neutrals were not connected to anything and of the three lives, 2 were...
  5. 1capybara

    Can anyone pls explain 431.1.1 current cant exceed 145% of the smallest wire on the circuit?

    This can have several interpretations. 1. Break trip rating cant be above 145% of the ampacity rating of the wire? That doesnt make sense because the breaker should be protecting the wire by tripping first. 2. Load cant exceed 145% the ampacity rating of the wire? Load should be less than the...
  6. BarryJ90

    Best videos for explain One way, two way lighting circuits

    hi guys Anyone know of any good videos on YouTube for this? I found some myself but I'm guessing a lot of you guys will know from experience the better guys to watch. I know Pete shares a lot of this JW guy so I'm guessing he is good?
  7. W

    part p can someone explain

    So im hearing all different versions from people. some people are saying that you need to pass a part p exam and become a part p electrician. Ive also heard that thers no such thing that its only a paragraph in the building regs and that anyone can pay a building control for a higher fee or if...
  8. J

    EAL level 3 engineering maintenance electrical

    Hi all, I've just started the course and am in the process of trying to answer the knowledge questions. However am struggling with some of the answers. Has anybody completed these and are able to help. Maybe have there old questions ( god loves a tryer). Or do you know any decent books or...
  9. Pete999

    Pete's Videos Can't sleep? watch this Geezer for 5 mins

  10. Marvo

    Please Explain The Lack Of Brexit

    Is the UK leaving the EU or not? I see court cases, I see votes in parliament. There's talk of a hard Brexit, a soft Brexit, Scotland says they're not allowing it...... Wasn't there a national referendum with a clear majority or did I miss something? Seems like a lot of smoke and mirrors to me...
  11. P

    Explain the difference between a transformer and auto-transformer

    Hi there, I understand that a transformer is used to either step up or step down the supply voltage. I know that the basic principle is that if there are more windings in the primary coil than the secondary coil then, the voltage is stepped down and if there a more windings in the secondary coil...
  12. P

    Please help, I can't explain to my boss ! RCD protection

    Good afternoon gents and ladies. So I am having an argument, I say if I do any work on nearly any circuit, namely lighting and power, commercial I have to upgrade protective devices so the circuit would be up to regs and on this case have either RCBO or RCD, I ask you kindly to help me and...
  13. R

    Please explain this motor plate

    Please could someone explain to me about this motor plate for a pump and why the numbers don't seem to add up, such as why the amps don't correlate with the watts when connected to the nominal voltage. Also what kind and type of protection is needed for the pump. Many thanks.
  14. H

    explain this.....

    So on the test results (see pictures) it states TT system, earth rod, however from the picture of the supply it can be seen that there is a suppliers earth which looks like tncs to me.
  15. P

    Can someone explain Part-P to me.....

    Hi, Basically I've been informed by someone that i need my part P.... Im apprentice trained fully qualified electrician with a gold JIB card, NVQ 3, AM2 17th edition etc etc... and have been working mainly in industrial installations for the last 5 years. I was always under the impressions...
  16. M

    HI,i need to talk to someone for advice as its hard to explain my problem.

    Would someone either give me a phone no. or ring me on 07703987497 to talk about my prob as its hard to explain on the forum.Cheers mackemdave.
  17. M

    Can someone explain this meter setup

    Hi, I moved into my flat today and discovered this meter setup , not had anything like this before, In the flat there are 2 storage heaters and the rest are convectors, these are all wired into the bottom panel and work off the right hand meter along with the shower and the emmersion. The...
  18. W

    Light switch assistance please

    Hi guys, it's my first ever post and i'm probably posting in the wrong place Iv'e just started level 2 at College and i was just wondering if anyone could explain how to wire Light Switches and ceiling roses. When do you use Twin Brown or three core for example ?? Could you explain the Loop...
  19. dez0178

    Can anyone explain the best way to fault find on a ring main.

    Hi, Can anyone help please. I am doing an assignment for college level 3. I am trying too understand how to find a fault on a ring main circuit. I have read about splitting the ring, finding which end has the fault test again until the fault is found. But could anyone explain step by step on how...
  20. B

    Eicr

    Been to do EICR for a letting agent tonight which i do a few for, turns up and the owner has had the painters in.. Well I explain the test and code 1's are serious faults like live cables Etc.. You mean like this as she pulls the kitchen draw out.. The kitchen ring main cut to power a light in...
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