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  1. M

    Circuit design

    My guess is hes planning on growing cannabis and googled circuit design......
  2. M

    Question about testing

    Can somebody help im going to take my 2394 in February and as far as filling out certificates and sequence of tests im not too bad, but as im still a student and still learning im just a little unsure on a few tests and why there within a certain sequence. So why do you check continuity of...
  3. M

    Earth Faulth Loop Impedance HELP!!!

    Thanks for all the replys i think im beginning to get it, @farmelectrics i know therd in the osg but i wanted to know why and how i got them results so cheers for the help guys :)
  4. M

    Earth Faulth Loop Impedance HELP!!!

    Yea i understand stand that, but what about when you need to find the maximum zs whilst at maximum operating temperature?
  5. M

    Earth Faulth Loop Impedance HELP!!!

    Thanks :) but why am i useing it
  6. M

    Earth Faulth Loop Impedance HELP!!!

    Also ive got a question im struggling with . ........If an earth fault loop impedance tester measures a value of 0.55 ohms at 20 degrees c, what is the corrected value (using the rule of thumb method) to allow for conductor maximum operating temperature. its gives the answer 0.69 but if I...
  7. M

    Earth Faulth Loop Impedance HELP!!!

    Hi can somebody shed some light upon correction factors for earth fault loop impedance. I know that the vales of zs in bs 7671 are if the conductors are running at max temp ie worst case scenario , am I right in believing that if you get a measured result you apply 0.8 to it?
  8. M

    connections of cpc

    Im still only learning and personally i wouldnt terminate cpcs in the trunking on account of bad practice, but, on some installs the met isnt always in the d/b ie close to the meter. My question is (if not chaffing any cables) is there any lack of fault protection here? Id definitely snag it...
  9. M

    First multifunction test meter

    Think ive made my mind up , ........ metrel MI3002 Eurotest DL , from the reviews ive read and the functions it has seems like a good deal :) cheers for the input
  10. M

    First multifunction test meter

    Cheers for all the replys, has nobody used any of the metrel meters? You seem to get the most functions for your money there, but im just worried about it being cheaper for a reason. At the moment im turn between the megger 1710 and the metrel. I have though about ebay but is it really...
  11. M

    First multifunction test meter

    The time has come where i need to purchase my first test meter, and would really appreciate any advice. I have a buget of 570 to spend, im currently thinking of getti g either metrel, fluke or megger Any help and tips would be very welcome
  12. M

    begginer

    smudgey I'm doing something similar but im about half way through my course, ive been learning and practical training for about 15 months , the 2365 can go up to a NVQ level 3 aslong as your undertaking electrical work ect . Ive already been in touch with my local college and as long as im...
  13. M

    Is the 2395 too difficult

    Get the book by chris kitcher , Practical guide to inspection, testing and certification of electrical installations, Very good book and specifically for 2394/5
  14. M

    BS7671 Amendment 2

    Ive just passed my 17th edition amendment 1 , does this mean I now have to do a new test for amendment 2 ? :/
  15. M

    17th edition ( equations and formulas)

    Cheers for all the advice its very much appreciated, ive been studying all afternoon and adding post it notes throughout the book, ive got my test on Thursday so ill let you know how i do :)
  16. M

    17th edition ( equations and formulas)

    Ahh i see, thanks if its certain thinga including ohms law i should be fine, im sorry if this sounds like a daft question but how would i just find the length in a vd calculation? All the examples ive done, the lenght has always been included in the information
  17. M

    17th edition ( equations and formulas)

    Cheers guys for the feed back, pete999 what do you mean by transpose the volt drop equation? To be honest ive found the contents pages much more helpful than the index
  18. M

    17th edition ( equations and formulas)

    Our tutor at the test centre has told us there will be the odd working out ie volt drop ect
  19. M

    17th edition ( equations and formulas)

    Y es it is an open book test but id like to understand fully how to use the equations before I get asked about them
  20. M

    17th edition ( equations and formulas)

    I'm not sure if this topic has been covered before but I cant seem to find anything. What equations are likely to appear on the 17th edition test ? so far im ok with zs , adiabatic equaution including finding the fault current , cable calc and volt drop. My question...

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