pssc

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  1. Lister1987

    Megger 1730 not running PEFC PSSC tests

    As title, select the correct settings L-L L-E on left and As on right, am unable to change mode (2Lo 2Hi etc. Screen comes up with <50v but does nothing else. Any ideas? Runs continuity and IR fine, not tried RCD
  2. K

    AM2 testing

    Hi everyone, a few questions here Ze: In the AM2 is it just a 2hi test between L1 - Earth, L2 - Earth and L3 - Earth. Then take the highest reading out the three? and while doing that take the PEFC reading at the same time? after reconnecting the Main earth would I record my test result...
  3. Soulsurfer

    Pssc Test

    Hey all, just looking at a house for a friend who has purchased after someone suggested by his surveyor looked at the wiring from CU in garage etc.. and said it's grey so it's new colours and all fine ! Just popped by as he's had 2 belts so far and tripping breakers and it's full to the brim of...
  4. C

    Min PSSC Values of Type gG fuse, 10A 500V 10 x 38mm

    HI All, Struggling on this one. Anyone know where I can find the Min PSCS Values of Type gG fuse,10A 500V (10 x 38mm)? IEC 269-2 I've got a load of 230v lighting circuits protected by them but google is not my friend today...... So disconnection time of 0.4 seconds? Cheers, Gar.
  5. sparksburnout

    Problem with PSSC on three phase supply

    I have a domestic premises (it was once a shop) that has a three phase supply, although only one is being used now. I am using a di-log 9083P tester, and when doing a Ze test am getting 23KA as the reading for PSC, with 0.01 ohms as the loop resistance. I am getting a Ze of 0.35 ohms and a PFC...
  6. J

    What the max difference PFC for TNC-S for PEFC / PSSC

    Hi I was wondering if anyone could let me know what the max difference in PEFC and PSSC in a TNC-S system: I ask as I measured PSSC 3.8kA & PEFC 3.0kA and have never seen it that far apart on a TNC-S before. This was repeatedly the case, the tails are 25mm, 1m in length and the EC is 16mm...
  7. S

    PSSC & CPC size confusion

    The PSSC of a final ring circuit is 2KA so what is the min CPC size? For PVC singles k = 115 CB 32A (BS EN 60898) will disconnect in 0.1 second Fault current of low impediance = 2000A S = square root of PSSC x PSSC x disconnection time (t) / Cable constant (K) CPC size = 5.50mm (6mm cable)...
  8. S

    pssc

    hi people, i carried out my first periodic yesterday and was asked for the pssc on lowest earth and live to nuetral. Is this the same as pfc and if not what is the method for testing? appreciate any help :confused:

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