MIL-DTL-29606 Wire, Electrical, Stranded, Uninsulated Copper, Copper Alloy, Or Aluminum, Or Thermocouple Extension, General Specification ForThis specification covers concentric lay stranded and rope-lay stranded round electrical conductor fabricated from copper, copper alloy or aluminum. This specification also covers thermocouple extension conductor fabricated from nickel/chromium or nickel/aluminum/manganese. The conductors in this specification are suitable for use in insulated wires used in aerospace and other applications.