Process

Wire drawing stage

  • Diameter & Surface to single wires.
  • Tensile Strength & Wrapping Test for Aluminium Conductor.
  • Precentage of Elongation test for Copper Conductor.
  • Conductor resistance.

    • Stranding Stage

  • Diameter & Surface of each wire
  • No. of wires as per specification.
  • Lay ratio.
  • Diameter of conductor after stranding Height & Width if sector shape conductor.
  • Resistance

    • PVC Insualtion stage

  • Thickness of Insulation as per specification.
  • Spark Test

    • Laid up stage

  • Direction of Lay
  • Dia of Laid Up Stage.
  • Lay ratio

    • Inner Sheath Stage

  • Thickness of Inner Sheath.
  • Diameter of cable over Inner Sheath.

    • Armour Stage

  • Dimension/ Diameter of Steel Strips/ Steel
  • Direction of Lay
  • No. of wires/ Strips of cable
  • Diameter of cable over Armour.

    • Outer Sheathe

  • Thickness of outer Sheath.
  • Overall diameter of cable
  • Embossing