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  1. I

    Can anyone give me the answer and source for this question on current carrying capacity

    Hello I just need to know the correct order and a source which shows me that it is that order please When calculating the current carrying capacity Is the correct order Ib ≤ In ≤ It ≤ Iz Or Ib ≤ In ≤ Iz ≤ It Niceone
  2. W

    2365 level 3. I am currently stuck on question 7 and need some guidance, please I attached what I submitted answer 2 but the tutor say it’s incorrect

  3. D

    Ireland Newbie looking for answer

    Hi everyone I have started a new venture as a coffee shop owner and have gone out and bought my machine . Unknown to me the shop unit is not kitted out for three phase . I told the owner of the shop and he said he is at his max and just use a 32 amp socket . This is riddles to me and I don’t...
  4. Lucien Nunes

    A quick European wiring puzzle with a simple answer

    Following from a recent thread mentioning some continental electrical practice, I made this mock-up of something you might see in an older installation in a certain West-European country. It's not standard practice now but is widespread enough to have a specific name. What is the name of this...
  5. J

    Wiring a garage subpanel with a packed house panel. Simple answer (I think).

    I have charged ahead with a small subpanel installation in a detached garage I am converting to a light-duty shop. The setup is simple, but I have been stymied by a final step. Hoping someone can help. Old setup was a buried 12-2 wire from a 20a breaker in the house panel (100A) connecting to...
  6. N

    Can anyone answer what happens with Eicr reports done after the deadline 1st April

    Good morning, I am struggling to answer the question I am being asked daily. Once the 1st April deadline for the EICR reports to be completed what happens, Basically we have no appointments left now to complete them and many other electricians locally are also fully booked out so where does...
  7. C

    first to answer these gets a gold star, good luck :)

  8. W

    answer 2 questions

    does anyone know how do do i Draw a circuit that will convert a galvanometer with a full-scale deflection (f.s.d.) of 1mA and internal resistance of 20Ω into an instrument capable of measuring up to 1A. and another circuit to convert the same galvanometer to read 10 volts f.s.d. thanks
  9. H

    plz answer

    Hi experts. i am a non professional unqualified hobbiest electrian only lean and work in do it yourself manner. my question is if Electic supply company disconnects both neutral and phase supplies to accomplish power cuts ?
  10. A

    Hi All I'm an electrical engineer student from Indonesia. Wish you could help me to answer some questions

    Do you know what these symbols stand for?
  11. P

    Help, I’m sure someone can answer this very quickly

    Sorry, I’m new to this. Can someone just explain how I should wire these cables in the ceiling light unit as per images, there seems to be a lot of cables,
  12. D

    Is this allowed as i could not find an answer in the wiring regs.

    4 core, 10mm SWA cable feeding a trace heating installation. The Installer has stated he wants to use 2 cores as 2 phases and 2 cores as Neutrals. This means the cable will have 2 separate circuits within. This would be acceptable if installed within conduit, but is this classed as bad practice...
  13. MarkySparky1962

    Definitive answer please - EICR

    Morning All Please can someone provide me a definitive answer to matters pertaining EICR As a NICEIC Domestic Installer I hold C&G 2392, 2393, and my 18th Ed. I’m keen for this thread not to descend into a 5 day pay as you go wonder v 90 years on the tools indented apprentices how very dare...
  14. stephen fenton

    Can't seem to find the answer, 18th edition tommorow ; )

    A circuit with a 10mm 70*C thermoplastic copper live conductor has a maximum final temperature of 160*C. If a fault current of 600A flows through the conductor, the time taken to reach the final temperature would be.... ? got all the rest just cant seem to locate this one! cheers in advance.:)
  15. S

    I'm sure there is an easy answer!

    All I want to do is sell coffee!! In short ... I've had a mid life crisis and bought a catering van. It has a full size domestic fridge onboard. I need to keep milk cold from home to event site. I'll hook up at home and chill fridge till I leave. Am planning on using an inverter to keep fridge...
  16. P

    What's the answer to this problem?

    There's been a few posts on here recently regarding poor workmanship on installations. Some have said it should be illegal for anyone other than a qualified and registered electrician to carry out wiring and testing. While I agree with this to a certain extent, how would it be enforced? Anyone...
  17. Lucien Nunes

    Which CU? Quick answer needed!

    I don't often install single-phase CUs, but I need a couple of metalclad 10-way units for a light commercial situation, which will be populated with all RCBOs. They simply need to be reasonable quality, with not-too-expensive RCBOs, as roomy as possible. If they can be got from Screwfix, so...
  18. V

    2365-305 C

    Fail first exam. Any suggestions what kind of material to study to pass next time. Maybe text books? I found swindon massive and spark website but exams there is with answers a b c d. 305 C is written exam. No answers are given. I think you can pass only with practice the exam with similar...
  19. D

    Dan Mawson.. Happy to answer any electrical or plumbing questions....Fire Away

    Hi everyone, Im new to this forum, only just came across it today, my name is Dan and I am the owner and Founder Of Multicore National we are a 24 hour emergency company. I write on various other forums on the web and I am happy to answer any questions you may have... Anything electrical...
  20. T

    Why do desktop power supplies and GPU's keep blowing?

    I'm not an electrician but I some clever heads together - http://www.electriciansforums.co.uk/threads/im-not-an-electrician-but-i-some-clever-heads-together.117521/ Some of you may remember the above thread where the guy had umpteen blown power supplies and GPU go into melt down. I have now been...

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