In a DC cable of the present disclosure, the outer circumference of a conductive section is covered by an insulation layer; wherein the insulation layer contains a crosslinked base resin and an inorganic filler, the base resin contains polyethylene, the BET specific area of the inorganic filler is 5 m2/g to 150m2/g inclusive, the volume average diameter is 1.0 um or less, the mass ratio of the inorganic filler relative to the base resin is 0.001 to 0.05 inclusive, and crosslinking in the crosslinked base resin is prompted by a crosslinker containing organic peroxide.