Recent content by Spenny

  1. S

    Questionable Conductor Size

    I will ductor the length tomorrow and calculate the resistance value expected. This just does not add up to me.
  2. S

    Questionable Conductor Size

    This is the official line from the wholesaler. Data sheet supplied. The conductor is an compacted conductor. FYI - A compact stranded conductor is a round or sector conductor having all layers stranded in the same direction and rolled to a predetermined ideal shape. The finished...
  3. S

    Questionable Conductor Size

    This is one of the "70mm" conductors used as an earth bond.
  4. 50mm.jpg

    50mm.jpg

    • Spenny
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  5. S

    Questionable Conductor Size

    The strands are not round so I can't measure the OD accurately. There are 19 of them though so if it's 70mm each should be 3.68 mm. If it's 50 they would be 2.63mm. A strand fits a 2.5mm crimp perfectly.
  6. S

    Questionable Conductor Size

    The conductors are round and I have tried 3 types of round lugs, all with the same result. I crimped a 70 and 50 on to two cuttings, the 50 is perfect the 70 is a shambles. A 50mm 5 core is not rated for this job as I am installing a 250A breaker so it is critical. The fact that the cable is...
  7. S

    Questionable Conductor Size

    EL SEWEDY an Egyptian manufacturer supplied through Cleveland Cables. It is marked as conforming to BS6467 CE
  8. S

    Compex Ex 01 - 04 course help (notes & advice)

    My advice is always to take your own knife and sharp braiding snips, they will save a lot of time and effort during the practicals. I have attend this course on seven or eight occassions over the years and seen many struggle with the tools provided.
  9. S

    Questionable Conductor Size

    I am in the process of installing a 5 core 70mm feeder cable for a DB. 70mm cable lugs are too large for the cores but 50mm fit perfectly. I have taken this up with the cable supplier. Their response was that 50mm lugs are often used om 70mm cores? Having been in the trade for 41 years I have...

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