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questions

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  1. N

    Does anyone have science and principles 2365 paper b questions.

    has anyone sat the science and principles 2365 paper b and can remember the questions in it i have seen one for paper A but not be if you do it would be very helpful thank you!
  2. S

    Help with certification

    Hi, Hope all are well, I just need clarification on a job Ive done with regards to the certification. I have wired an extension to house which includes a bedroom, kitchen and bathroom. The old house is installed to 17th edition. The extension has a new DB that the extension circuits are...
  3. Y

    New Kitchen - Double oven circuit questions.

    Good even, I am having a new kitchen installed and i just wanna double check a few things, having spoken to a few sparkys at work i seem to have the just of it, however im looking for clarity before getting quotes. Back ground. The kitchen is a complete rewire so that it will now have its...
  4. mak

    Couple of questions, r1r2, Zs and polarity

    On a ring main we test r1r2 at every outlet since there is no end of the circuit and every test should return same-ish figure unless there is a loose connection or socket is on a spur, right? What about the the radial circuit? Other than to check polarity is there a point to test anywhere other...
  5. S

    18th Edition Formula Questions - Any Genuine Examples

    Hi, Firstly, sorry if this post is in the wrong sub-forum group; if it is please advise where to place this thread. I've been studying for the 18th Ed. Regs course via XS Training and all is going really well. The only problem is that I've noticed all their practice material/questions haven't...
  6. robertl

    3 phase Rotary Converter Build questions

    Hi All, I am just about ready in my new workshop to buy and start using the 3 phase equipment i will need for my business. The biggest of which will be the press brake rated at 12.5kw max. There will be a few other units but smaller - around the 1 to 3kw rating range, so with that i am looking...
  7. A

    couple of PAT testing questions

    Hi Everyone, I have recently bought a UNI-T PAT tester ( UT528) and have few questions: It is mentioned in the handbook, to limit the earth continuity test for some appliances such as TV between 20 and 200 mA. When I check the UNI-T operation manual, it is mentioned the test current for earth...
  8. J

    The induced EMF can be found by...........?

    Hey everyone, Im a complete beginner and looking into the lvl 2 2365 syllabus to see what i need to be studying. I came across some multiple choice questions and came up against the below question, can you please direct me to some good vids/sites etc that will help me to understand. I need...
  9. D

    Replacing 2 Wire Doorbell Transformer W/ 3 Wire... Questions.

    Hello, I had a 2 wire doorbell transformer that I needed to upgrade in order for my Ring Pro to work correctly. The old transformer had 2 black wires and one was connected to a black wire and the other was connected to a bare copper wire. The new transformer has 3 wires (black, white and...
  10. T

    More Led panel questions

    We are due to have new LED panels installed in a room with a false ceiling. Do the panels need to be TP(a) or TP(b) or neither? If they are neither and the ceiling needs to be fire rated would a hood cover it? School premises manager
  11. Jay 1987

    I HAVE TWO QUESTIONS

    Hello guys and girls, I have two questions, the first one is...... when testing insulation resistance if you were to double the cable the insulation resistance would half ? something about parallels ? what does this mean ? Second question is..... the relationship between the maximum PFC and...
  12. T

    Questions about new bathroom vent fan installation/wiring...

    I will soon be installing a new vent fan in my master bathroom - a combination fan/light/bluetooth speaker from a local big box store. My current switch box has 3 switches: 1 for the vanity light which will not be touched, 1 for the fan, and 1 for the light. I have a 14/2 wire entering the...
  13. Ruairi Hansen

    Gas bonding

    Hi guys just wondering what peoples thought is on this. I was out looking at a job today and noticed the main gas pipe is not bonded at the meter but has a 10mm earth at the boiler is this a code c2, c3 or nothing?
  14. SairaJoy

    I'm currently an EE college student. Need to ask 6 interview style questions regarding workplace writing requirements for EE's

    Current EE college student with questions for advanced technical writing assignment. (I am supposed to interview an Electrical Engineer about workplace writing expectations/requirements)... 1 - On a daily basis, how much time/energy do you spend on writing/producing documents? 2 - How often do...
  15. A

    UK Need help with some college questions

    Hi could anyone help with some questions for college? Possible effect of TNC-S earthing arrangement has on pfc compared to TN-S?
  16. L

    SWA questions, doubting electrician

    Recently had an electrician in to wire up power to a detached garage and also wire in a 32 amp rotary switch for an eventual hot tub install. He has used a spare 40amp MCB in the house consumer for the garage and a 32amp one for the hot tub point. Cable run for both is about 10m each. He left...
  17. gazdkw82

    (More) AM2 questions

    I am a few weeks away from taking the AM2. I'm still coming across things I'm unsure about it questioning. I'm possibly over thinking but I want to be as prepared as I cam be. Can anyone answer the below, Does the sequence of tests have to be exactly like the sequence listed in GN3? The reason...
  18. N

    Questions regarding metal gang boxes

    Hi everyone! I am an industrial designer working from Israel, currently working on a product that will be installed in american homes and needs to fit into a one-gang box. I'm having trouble figuring out how common are the metal boxes out of all the home-installed electricity box...
  19. R

    Replacing ceramic hob for induction - basic questions

    Hi all, planning to replace my electric ceramic hob for an induction one. Current ceramic hob is: Baumatic B12SS - 230v/400v 3N 50/60Hz 6kW 26.1A, min fuse protection rating 30A. The current setup is as follows: CCU>1xB32 MCB>connected to 2x red cooker switches: Switch 1: connected to hob...
  20. DeanoRN

    Very old Crabtree board questions please

    Hi all I just wondering about this board, the tails and bonding, are they 16 mm tails and 10 men bonding? Also the cooker looks like 4mm?? I know the ring is 2.5 and the cooker looks slightly bigger so imagined it was 4mm have you come across any wired like this with the smaller tails? The...

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