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  1. E

    R1+R2 Tests on 3Phase

    Thanks all for your input...
  2. E

    R1+R2 Tests on 3Phase

    Hi again, This is the thing that is confusing, can it be done the same as the insulation resistance test by joining L1+L2+L3 together and to earth???
  3. E

    R1+R2 Tests on 3Phase

    Hi again sorry to be a pain but this 2391 practical is twisting my brain. Do you have to do a R1+R2 test on a 3 phase motor circuit and if so what is the proceedure???
  4. E

    PFC Testing

    Thankyou all for your views, it must be that the megger is slightly different from other testers. Cheers...
  5. E

    PFC Testing

    Hi all, I'm using a Megger 1552 tester which is a three lead tester, but DVD's I have show the neutral and earth leads connected together to test PSCC. The leads that come with the tester cannot be joined together and the instructions seem to say only use the green and red leads,I'm totally...
  6. E

    2391 practical exam

    Thanks James, The time allowed for these four boards is four hours, does it follow from what you said that the majority of the time will be spent on the three phase board ?? Cheers John..
  7. E

    2391 practical exam

    Hi all, This is my first post on this site and my question is can anyone provide me with any useful info on the 2391 practical exam which I am about to take in a couple of weeks. I understand that there are four boards where inspection and testing will be undertaken and thats about all. Any info...
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