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High temperature cables are used in areas where both working temperatures and ambient temperatures are too high. They are made with a wide range of conductors, insulating materials and screening materials depending on the temperatures and conditions under which the cable has to perform.

Single core high temperature hook-up wires & Multi core / Multi pair, Screened & Unscreened and Armoured & Unarmoured cables:

  • Construction : Single Core or Multi Core / Pairs
  • Voltage Grade : 250VAC, 600VAC & 1000VAC (Rating as per MIL 16878, VDE, DIN, ANSI)
  • Conductors : Annealed bare and/or tinned copper conductor (up to 120° C)
    Annealed silver plated copper conductor (up to 200° C)
    Nickel plated conductors (up to 260° C)


Insulation Material

Temperature Range


Varnished Fibre Glass Braid
-72° C to 350° C
High Temperature Resistance
-200° C to 200° C
Good Chemical Resistance
Thin wall insulation due to good electrical properties
-200° C to 250° C
Good Chemical Resistance, Thin wall insulation due to good electrical properties, Good flexibility
-200° C to 260° C
Excellent chemical resistance, High temperature stability
Kapton tape
-250° C to 300° C
Very thin wall insulation, High temperature resistance
-160° C to 250° C
Mechanically very tough High temperature and radiation resistance
-150° C to 150° C
Mechanically tough
Silicone Rubber
-40° C to 200° C
Flexible & abrasion resistance
  • Screening : Individual and/or overall with following options –
    – Aluminum Mylar/Copper Tape with Tinned Copper Drain Wire or
    – Braided with Bare or Tinned or Nickel Plated or Silver Plated Copper
  • Armouring : Armouring of galvanized wire, stainless steel wire, high strength steel
    wire etc.
  • Standards : Conforming to IS 8130/ IEC 60228 / VDE 0295

Industry & Applications

  • Steel : Cables for blast furnace, electric arc furnace, hot & cold rolling mills, steel refining facilities etc.
  • Communication : High frequency co-axial cables for VHF, UHF and XHF transmission
  • Marine : Engine proximity wiring for good resistance to high temperatures, fuel oils, chemicals, saline air/water etc.
  • Petrochemical : Instrumentation & control, temperature sensing, fire warning etc.
  • Power : In proximity to the turbines, boilers, ash handling etc.