This carbon nanotube composite bundled wire is a carbon nanotube composite bundled wire comprising a plurality of carbon nanotube composites, wherein each of the plurality of carbon nanotube composites contains single carbon nanotubes and an amorphous carbon-containing layer which covers each carbon nanotube, the carbon nanotubes having a D/G ratio of the peak intensity of the D band to the peak intensity of the G band at a wavelength of 532 nm in Raman spectroscopy analysis which does not exceed 0.1. Each of the plurality of carbon nanotube composites is fibrous and has a diameter of 0.1 µm to 50 µm, and the plurality of carbon nanotube composites are aligned in the longitudinal direction of the carbon nanotube composite bundled wire.
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