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  1. A

    Happy to answer business questions guys

    Just wanted to mention that I'm happy where I can to answer any business questions. For all my sins, I'm a Ba Hons in Business with accounting, and have many years experience at the coal face. If I can help, I will.
  2. K

    Homework

    Homework As I said in the thread “Question” this is becoming a problem on other engineering boards with students wanting the answers to a question set by their tutor. As a rule of thumb help will be given in pointing them in the right direction, but NOT the outright answer. A classic was...
  3. R

    Smoke alarms and rcbo's - have looked at other threads but still no definitive answer

    Hi All, Quick question, Have dual RCD board, one circuit on its own is a smoke alarm. I have read all this stuff about smoke alarms being on their own RCBO or with the RCD gang. Can someone please explain why it would be bad practice to put a smoke alarm circuit with others ? My...
  4. Z

    installation activities

    Hi there can any one let me know the 6 installation activities on domestic and industrial installation please. many thanks.
  5. D

    scenario to answer

    ok this crossed my mind other day and where do you stand?? answer honestly in you opinion you install a new CU with RCBO's for a little old lady who has not much money and her old box is damaged due to mechanical damage! you do the usual pre checks to see if it will change out ok! you...
  6. M

    Need answer to these questions - 2330-302

    This paper was used for my last exam which i did fail, then did another paper and passed, would would love to have correct answers to these please. I have put the questions and below i have put how many marks the question is worth. I need your help on this please.:) 1) A low resistance...
  7. S

    Elecsa

    hi guys, i am looking at joining elecsa but was wondering what are the questions you get asked in the assessment like? are they about testing ? Regs? any advice would be great. cheers
  8. G

    Hi all help wanted

    hi all new to this site and was wondering if anyone had the answers to junes 2391 exam paper,i attained a copy and was wanting to check my answers cheers
  9. B

    2391 need help on how to answer question

    hi guys came across 2 questions in a past paper but not sure how to give a correct responce for it in an exam i am probably thinking about this one a bit too much and i know the answer is simple but putting the answer on paper is not happing for me any help wil be appreciated thanks in advance...
  10. L

    how do I work this out

    A 1.5mm2 conductor has a design current of 4 a and a length of 10 meters. its volt drop is 29 mv/A/m what is the volt drop across the terminals. Can anyone show me how to work this nasty little bugger out Answers are 11.6v 17.4 v 1.16v 1.74 v
  11. Z

    Unfused Spurs on Ring Main

    Hi guys, What are the rules and common practices for unfused spurs on a standard ring main? If you use 2.5 for the spur than how is that properly protected with 32A MCB
  12. G

    Mobile Phone to Loud Hailer auto answer -- HELP!!

    Hi, Im new to these forums so please go easy on me!! Ive been asked to set something up for a friend, an add-on to his CCTV setup. Basically he wants to be able to dial into his building via mobile phone, and be able to talk over loudspeaker.... either to people breaking in... or to tell...
  13. S

    underpinning knowledge questions -connect

    1) What are the main types, their advantages and limitations of different electrical connections? 2) What are the procedures for the connection of single and multiphase circuits? 3) What are the implications on the choice of connections with regard to permanent or temporary purposes? Any...
  14. D

    niceic assesment help

    ive got my assessment coming up for niceic domestic contractor one of my jobs is a new distribution board and the other one is a additional socket i just want some information into what the assessor will be asking for and what is the overall process and how long do they spend at each of the...
  15. E

    Anywhere that I can get 2330 level 2 question and answer papers?

    Hi, Just started studying for my 2330 level2 and want to be able to test myself as I go to see if it's sinking in! I signed up with OLCI training and have their coursework but also bought trevor linsleys book too. Completed the Health and safety section and done a free online exam for that...
  16. T

    confused answers:Qs for Caravan - 2382

    Hi all, Just done some samples papaes, the confused Qs are as below: Q. The minimum cross-sectional area of any conductor in a caravan is a.1.5mm2 b.2.5 c.4 d.6 the answer is a, however, I found from P.191, the min. is 2.5mm2 for 16A Q. The maximum permissible height for a caravan inlet is...
  17. M

    Working out Impediance need help!

    Hey I am trying to do this formula but I can't work out the last number to get answer the bit I can't do is the 10-6 to get the answer. frequency of 1 KHZ 2x3.142x1000 x220x10-6 - = 723.4ohms Frequency 20 KHZ 2x3.142x20000x220x10-9 = 36.2ohms Can anyone describe how to do the last...
  18. T

    Please help me to get the answer.

    A special LED has a forward voltage of 2.2 V, and requires 10mA to produce its rated output. It is to be powered using a 9 V battery: a. Calculate the value of the LED’s series current-limiting resistor...
  19. T

    What is the equivalent resistance of this network

    Two resistors, R1 and R2 are connected in parallel. R1 is 2kW, R2 is 4kW. What is the equivalent resistance of this network (answer rounded to nearest whole Ohm): Could you tell me how can you get the answer?
  20. C

    wots right answer?

    Hi all, hope you can settle this little difference of opinion. Got a small job extending a lighting circuit to put extra light in an attic. No RCD at the moment. One view says must put in RCD at least for the lighting circuit we modify but t'other says not needed cos the extension is not buried...

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