Heavy duty high purity copper stranded high temperature silicon insulated servo wires.
This cable can withstand up to 400°F/ 220°c continuously and direct exposure to a 1000°c flame for 3 seconds.
Comes in JR or Futaba color coding and 20 AWG or 22 AWG.
20 AWG is untwisted.
Flame test:
Silicon servo wire flame testfromOli NionVimeo.
Sells per meter.