Submitted Questions

  • Derating factors for Cables Calculation

    The cable's actual current rating will usually be lower than the standard (un-derated) value quoted by manufacturer’s brochures. How to find the Derating factors for depth of laying, grouping of cables, etc.

    kkpk

    • Feb 19th, 2018

    There are seven factors for findout the derating factor value. they are temperature correction factor, ground temperature correction factor, cable distance correction factor, cable depth correction fa...

    Mohhamedibrahim

    • Dec 21st, 2016

    Derating factors
    1. Native soil of thermal resistivity
    2. If Cable circuit to cable circuit crossing.
    3. Wrong sheath bonding.