explain

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  1. Dean Williams

    can someone please explain?

    Hi folks Think i'm having an off day today, but could someone please explain the science behind the reason you would install a larger earth cable to a jacuzzi pump. I know its something to do with fault current, or leakage to earth through water under fault conditions where the fault current...
  2. Q

    Explain to me Electromagnetic Induction, EMF to be exact...

    Hello, I am struggling to understand how electricity is generated in an AC generator... I know that there is a coil of wire and a magnet, and both of them have their own magnetic fields and as the magnet moves into the coil's magnetic field, it causes electrons to move in that coil. Well if that...
    • QueenZ
    • Thread
    • circuit closed current electromagnetic emf explain induction
    • Replies: 36
    • Forum: UK Electrical Forum
  3. S

    Customer Guidance

    Hello all, Can anyone recommend any literature to give to domestic customers to help explain the problems that can be encountered when upgrading consumer units/fuseboards? I'd like to give something to my customers in black and white in advance if they are not interested in paying for a...
    • Sid
    • Thread
    • check customer customers electrics explain guidance
    • Replies: 2
    • Forum: UK Electrical Forum
  4. M

    Could somebody explain please

    Went to some family friends earlier who are having nuisance rcd tripping problems. They have just about every probable cause going - rusty freezer in a garage fed underground in non swa, underground feed to a shed in non swa, enough fridges, freezers and washing machines to put Currys to shame...
    • mhar
    • Thread
    • aus explain please
    • Replies: 12
    • Forum: Australia
  5. R

    Can someone please explain this

    Can someone please explain clearly, concisely and briefly what power factor is I've tried looking at various sites and they go way too far in depth and I get lost. I just want to know in Laymans terms what it is And I would also like to know the difference between VA and Watts, again clearly...
    • rantoftheday
    • Thread
    • aus explain please someone
    • Replies: 28
    • Forum: Australia
  6. L

    Can anybody take 5 mins / few words to explain briefly whats going on...r.e JIB ect..

    Hi Lads Can anybody take 5 mins / few words to explain briefly whats going on...r.e JIB ect.. I'm not nieve or ignorant but up on the North Wales coast where self employed sparks are 10 a penny nobody is talking about it, and even though i'm reasonably educated I just don't really understand...
    • LlandrilloSpark
    • Thread
    • anybody aus card certification explain going jib jib card scheme whats words
    • Replies: 5
    • Forum: Australia
  7. 0

    Explain why V1 and V2 do not add up to Vs.

    Could someone please help with with an answer to that question? I'm stuck on it. :( If you require some more details, please ask. Thanks. :D
  8. E

    Can some one explain how it works

    Hi all, Ive been given an oppurtunity to meet a company that does all sorts of building works, from schools to local authority and businesses... Ive never had to deal with anyone like this in the past so i feel like a little fish swimming upto a big fish The thing i would like to know is...
    • egginyourface
    • Thread
    • aus company contractors electrical work explain larger rates works
    • Replies: 3
    • Forum: Australia
  9. E

    Split Circuits

    Hi, I need seem advice. This may be quite simple but I would appreciate it if somebody can explain it to me. The electricians onsite only mumble when I ask them, to lazy to explain it to me. We are installing lighting circuits in a hotel along the corridors. The are uppers and downers the length...
    • elektrisien
    • Thread
    • cable cables canada circuit circuits connectors explain split
    • Replies: 0
    • Forum: Canada
  10. W

    could someone please explain why NVQ3 2355 is needed

    Good day, I currently have my 2330 Level 2 certificate and Im wanting to qualify as an electrician. I have worked on construction, domestic and commercial, for 2 years as and Improver and Im currently working in Building Services as an Electrical maintenance engineer and this where I will...
  11. D

    Please Explain: Symmetrical fault current

    Im doing my 2391 course and it was quickly mentioned about symmetrical fault current when talking about PFC testing. It was just mentioned and not explained so can anyone explain what this means. My first thought is that 3 phases shorted together would cancel out and leave 0 volts?? But...
  12. S

    2 Radials into a 32A B type breaker and other wonders !!!

    Hi all, Hope you guys are all enjoying the nice weather and not working inside some dark small cupboard like I was today !!!! Anyway, here is the scenario. Neighbour comes over this morning and says her fuse for downstairs has tripped and cannot be re-set. I go and take a quick look and test and...
    • Sav
    • Thread
    • 32a aus breaker conservatory explain kitchen other radials sockets type
    • Replies: 3
    • Forum: Australia
  13. F

    please explain harmonics

    reading forumn tonight been along day few drinks cant be bothered digging books out can someone please re educate me on harmonics:mad:
  14. P

    can someone explain how to become a spark in 5 days

    just how is this possible what is the course outline i just cant get my head round it all that work in 5 days is this for real and has anyone on hear done this ??? im not intrested in doing it as im going to propper college for 3 years plus 2391 after it etc im just curious how this can be done
  15. S

    can someone please explain this to me, as simple a possible so i can explain

    i am very new to this, and i have been asked to explain a few times, how the power generated fro the pv panels is used for power around the house, i.e how does it know to use the power from the pv panel and stop using power from the electricity supplier,
  16. M

    Can someone help explain continuity testing

    Hi I am new to electrical work and I have invested in a multimeter to test components of boards. My meter has a continuity test function. I have read up on it but some of it still doesnt make sense to me. 1. When I put my negative probe to a ground point and then touch a pin or hole on the...
    • midiman
    • Thread
    • aus connected continuity explain help point points someone testing
    • Replies: 10
    • Forum: Australia
  17. S

    please explain as many as possible

    i have just been handed a sample of a handover package which i need to do to get mcs approved, but can people explain the one i list below, to make sure i have done it. what is and where can i find a: Hand over certificate Pv system test sheet emergency shutdown procedure onsite...
  18. K

    help testing

    hi guys testing houses and the board has all rcbos, whats the best way to do insulation test without damaging lights, sensitive equipment?? guidance book says link l&n togetherand test between this and earth? but dont understand how this doesnt damage equipment? also the pfcc and pscc, i know on...
  19. M

    moaning customer help

    hi i have had a bad one today i have done a rcd test on a brand new circuit today and the customer has now said that i have nackered there sky+ i cant see that myself but please any advise welcome
  20. S

    R1 & R2 Testing Help

    Just started testing at college and not sure of the following in regards to the R1 + R2 testing: 1. Why are the readings in a ring the same or similar? Compared to radial? 2. Why do you cross connect line and cpc in a ring to carry out the R1 + R2? Thanks Steve

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