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questions

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  1. P

    Building regulations questions.

    So I've just been reading through the electricians guide to the building regulations for my own knowledge and have come across 2 regulations which I need help on clarifying... page 80 5.5.2 (e) mentions cables should need to withstand a temperature of 170 degrees C. Q. now why on earth would a...
  2. P

    More Rewire Questions :)

    Q1. So when I went to look at the flat, I could see that there was a wired extractor fan, and could see that the flexible plastic ducting was going into a straight pvc ducting which was rectangular shaped (I saw this through a missing plasterboard). I tried to see where the straight duct went...
  3. P

    Rewire Questions

    I've been to see a flat which needs a rewire. The flat is being completely renovated. I've just recently qualified, I have done rewires before during my apprenticeship and understand it, but it is the first time taking one on on my own, I feel pretty confident as it is all partition walls which...
  4. N

    Questions on registering CIS

    Hi everyone! Situation: I'm an electrical apprentice without employment atm. I have been offered work in the near future, with a subcontractor on a big London site. The other day, I registered with the CIS I'm registered self-employed (have been landscaping past 15 odd years). I have a business...
  5. R

    Survey questions for electricians. Is that allowed here?

    Hi there, New member here. Thank you. I'm wondering if it's permitted to post survey questions as discussion threads (or post a link to a survey form in Google). I'm not an electrician, rather, I'm part of a research and development team that aims to create a product for electricians...
  6. A

    Generator back feeding panel questions...lots of questions.

    Good afternoon guys. Recently had to make an impulse generator purchase. Looking for some guidance to make my generator use both more flexible and safer than extension cords. Apologize in advance for breadth of information and questions. First time on this forum so any help would be greatly...
  7. J

    Car charging questions and earthing.

    Hi all, I'm a trainee and just have a question. If the earthing for the Car charging is changed to TT and there is a light fitting close on PME, can you get a shock from two different earth potentials (light fitting and car)? Or does there need to be a fault? And does that mean you can get a...
  8. N

    Quinetic switch problem questions

    Hello Please help me to understand more about the kinetic switch! i have 6 quinetic wifi wireless receiver for dimmer switch (1AMP)and 3- 2 gang switch(QU WS2W)DIMMABLE QUINETIC WIRELESS SWITCH i have some problem with the quinetic wifi wireless switch and receivers! 1.when i try to pair the...
  9. S

    AM2 Questions

    I have my AM2 booked soon and had a few questions What multifunction tester is provided or does it vary between am2 centres? I am doing preparation course online so i am just wondering if the installation is going to be the same layout or similar Im covering all sections of fault finding and...
  10. 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
  11. Bear

    Advice on how to calculate these 2 Questions

    Afternoon all, How do i solve these two questions, Feel like am missing something simple. doing my head in lol. I need to learn the calculation for them both, I am struggling to work it out. 1. Insulation resistance has been tested on five new lighting circuits in an existing large...
  12. M

    Questions on bonding

    Afternoon A simply question but like confirmation from the more knowledgeable. Can someone confirm if there is a direct short between a line conductor to extraneous pipework I.e water or gas. In what scenarios will the MCB trip or not trip? My own thoughts are that if it has a negligible...
  13. J

    Possibly stupid questions

    These are possibly a stupid questions as I know nothing about electrical wiring. I was wondering if it is possible to install a nema 14-50 outlet in an outdoor condo parking lot. There seems to be power boxes on the ground nearby which I assume is where the sprinklers draw their power from. If...
  14. littlespark

    Two quick questions

    Father in laws project. He’s bought a massive shed to store our caravans in and I’m bringing the electrics up to decent condition. (30 odd double sockets and a couple of 16A commandos on one rfc!) so.... can anyone tell me what size this breaker is? I’m guessing 63A. It fed a 32A 3ph socket at...
  15. G

    Apprentices ask the dumbest questions

    now I'm a firm believer in the adage "there's no such thing as a stupid question" but sometimes, well, they just are. One from the lad this morning whilst looking at a switched fused spur. "Does N out mean nothing can go in that terminal?" Still hurts now:D:D:oops::eek:
  16. V

    Electrical plugs and breaker questions

    Hey everyone! New to these forums. Looking to get advice on the best option to resolve this: I have a 50A 6 gauge wire (with an un-used neutral) coming to my detached garage from my main panel that powers an electric car charger via a 6-50R. The car charger only takes 20A but due to the 6-50...
  17. K

    NAPIT Certification Scheme Joining NAPIT - requirements and questions

    Hi Guys. Napit sent me an email with requirements for my first assessment via zoom. Does anyone have any idea what they can ask me for 2 hours !?! Especially I have on site assessment next day. Also they asked me to prepare: Thank you for confirming this ‘office’ meeting. Please make the...
  18. S

    220v vs 240v outlet questions

    220 vs 240 outlet questions I have a question understanding the difference between 220 volt outlets and 240 volt outlets. I saw a video online of someone adding, as the video describes, 220 volt outlets to their shop. He opens the panel, and obviously by means of a double breaker, connects both...
  19. littlespark

    VW Transporter questions

    I’ve just bought an 18 plate transporter T6. Got a few questions. 1. aux socket on all the time. Any way to change this to through the ignition? I’m worried I leave the plug in dash cam on all night and it drains the battery. 2. aux socket in rear space. Can I add an additional aux socket for...
  20. 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?

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