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NEMA cable WC27500 Type JF

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WC 27500 Type JF Construction

NEMA WC27500 Type JF cables are constructed for use in aircraft and ground support equipment for commercial and military applications.

This M27500 Cable specification is a shielded, tapewrapped cable construction for high-temperature avionics, aerospace and airframe applications. Primary conductors are manufactured in accordance
to MIL-DTL-25038/3. Specific conductor size, insulation type, number of conductors, insulations and shielding material variations are included in the
part number guide. 

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Key Benefits

  • Voltage 600 V
  • Temperature rated to -55 to 260 C
  • Jacket Spark Voltage: 1,500 Vrms
  • Dielectric Withstand: 1,500 Vrms
  • Insulation Resistance meets 50 Ohms requirement (Typically 15,000 Ohms on 20 AWG)
  • Thermal Shock 0.060" max change
  • Wires meet the MIL-DTL-25038/3 requirements:
    • 100 hours at 343 C
    • Fluid immersion
    • Bend
    • Wet Dielectric
    • Fire Resistance (15 minutes at 2000 F)

Cable Construction Variants

Conductors20 - 22 AWG: 27% Nickel-plated Copper Alloy12 -18 AWG: 27% Nickel-plated Copper
InsulationMica Tape/Fiberglass Coated PTFE Tape/PTFE TapeMica Tape/Polyimide/PTFE Tape (22 AWG only)

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Harbour Industries is the global leader in product engineering and manufacturing of high temperature and high-performance cable. Our product and process engineering expertise ensures the highest quality products manufactured to precise customer specifications.


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Certifications and Compliance

  • AS9100D
  • Proposition 65 - California
  • RoHS
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