A cooling system (300; 400) for a plurality of conductive cables (310) in a gas turbine engine (110) includes a cooling source and an electric motor (210) disposed in a tail cone (122). The cooling source may comprise an electric fan (360) or an oil pump (460). The cooling source may be configured for active cooling of the plurality of conductive cables (310). The electric fan (360) may be in fluid communication with ambient air during operation of the gas turbine engine (110).