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  1. M

    Main bonding questions

    Probably a basic question In an installation with pipework or cable ladder that's not extraneous as such but is connected to earthed metal What's the logic for not main bonding it as the metalwork can surely introduce a potential in a fault situation?
  2. JoeMagin

    Level 3 Design Questions

    Hi All! I'm starting my level 3 course soon and have been going through my course notes and textbook doing the cable calcs etc. But i want to get a head start on the design stuff and what im in for. Does anyone still have their questions from the project that they could sharr so i could have a...
  3. H

    Dumb questions about PEN fault and solution

    Sorry if these questions are dumb, but I thought I'd ask you guys as I'm brand new to this field. I was watching this video from John Ward and had a few questions about it. 1. In a TN-C-S system, if there was a PEN fault before the service head, the current would go through the protective...
  4. L

    A couple of basic questions regarding installing an outside outlet...

    I've done some basic wiring, but nothing beyond. I know enough to shut off the circuit. I have no basement or garage, so when I work with a table saw or mitre saw, I have to go outside to a patio area where I run an extension cord to an outlet inside. After 30 years, time to finally add an...
    • lrubin28
    • Thread
    • basic couple installing outlet outside questions regarding screwfix
    • Replies: 6
    • Forum: UK Electrical Forum
  5. S

    Aerator voltage questions

    Hi everybody, we are currently renting a aerator system from Culligan and we have been trying to replace it with a unit we purchased that was used, but I have some questions about how to setup due to different pump voltages. The current system consists of the outlets shown below which are both...
  6. R

    Passed Am2S buzzing! Ask me any questions.

    Just smashed the am2s exam, with a distinction 97% mark. Let me know if you got any questions i’ll try and help out.
  7. D

    I need some help! ASAP, questions a put wire, three ways and stoves.

    This is the digram that i came up with, i am running mostly 12-2, on 20amp for everything. Except for my electric stove, i was planning 6 gauge wire on a 50a. i am trying to wire in two three ways light switches, and was going to run 12-3 between them and 12-2 to the lights and the service...
  8. P

    Thought I found a nuisance trip but I didn’t. Any advice to my questions...?

    So a customer had a nuisance trip and I spent 4 hours trying to find the fault (first hour identifying circuits as none labelled at board). There was a ring circuit with each leg being fed by 32a breaker, I put them into the the same breaker. Another ring had its leg connector blocked...
  9. HappyHippyDad

    A few general questions for any who fits solar panels?

    I still enjoy my work, but have a bit of an itch to try something a little different, perhaps solar. A few (Saturday coffee) questions for those of you who install solar panels in domestic situations.... 1. Do you do this by yourself (i.e one person) or do you always need a helper? 2. Is...
  10. H

    What is notifiable and FCU questions

    Hello my name is Hanson and I am new to these forums, I am a retired plumber. I recently purchased a freehold ex local authority 3 bed property for my own use, everything appears fine except for two minor issues. Cealing hights through out is 7ft 10inches. Bedroom 1, the largest of them has...
  11. M

    Couple of testing questions ?

    Apologies gone a bit rusty on this stuff: 1) (Max) Resistance of protective conductor: An Installation with a sub-board all pvc wiring Is the max protective conductor resistance = the resistance of the protective conductor on the submain + the highest resistance CPC on the sub-board Above...
  12. littlespark

    Air Source Heat Pumps... Questions!

    Listening to the radio the other day, and UK govt has announce no new gas boilers to be sold by 2035 and everyone should go with ASHP... £5k grant to get one..Let me add... only england and wales. We'll stick with peat up here for now. The following questions. Probably easy to answer, but just...
  13. S

    A couple of questions about the 2365 design project

    I've completed it all in rough, but before I go ahead and mark up the finished product, I just wanted to check a couple of things if anyone is currently doing it or remembers doing it.. Q2 (b) Asks to show position of sockets and fused connection units in the hotel rooms, giving consideration...
  14. H

    Questions about relay 232 control protocol editing

    The 232 protocol command of AMX's NP-Rel8 relay has to hit the enter key at the end, which command can I use instead of it. Now this central control I have does not support the hit enter command.
  15. B

    More EICR coding questions.

    My wife is on the committee of the local village, and they have just had an EICR carried out. This came out as 'unsatisfactory' and accompanied by a quote for remedials totalling well north of £9000, although this does include a fire alarm system (which, AFAIK, no one has suggested is...
  16. T

    Questions and advice for AM2

    Hi everyone, i have my AM2 coming up and just wanted some advice and pointers to help me get through it. what are the drawings like? are they simple or take abit to get your head around? also whats the specification like? Any simple things people mess up on?
  17. clanky

    BS7671 Help with some PFE questions

    Thanks to being quarantine for a week i finally managed to have a go at the the practice exams in the course and i have a few questions for the more knowledgeable of you as im wasnt entirely sure of the correct method to get to the right answer. Thanks for any help in advance: ‘how is the...
  18. N

    Lighting / led questions

    Before i start this post i would like to mention that im new to the industry, training and attending college. In simple terms, what is a led driver use for and how do i know if its required? How do you choose the right one? Designing lighting...ive come across alot of lighting whilst working...
  19. Y

    EICR questions

    Hi I need some advice regarding EICR. I have attached the report and some images. It looks like it's mainly C2 with fuseboxes not having any RCD/RCBO protection and they're quoting about a 1000 pounds to change the fusebox!! It's a one bed flat on 7th floor in east london. I had a similar...
  20. C

    Could someone help me with this solar farm installation questions please?

    Hello everyone, I am doing a dissertation about a solar farm dissertation and I have a couple of questions so I would appreciate if someone could clarify these questions to me. 1) What type of cables are used in a solar farm that is connected to the grid and how are they installed? 2) What type...
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