Ground electric heating cable

The utility model discloses a ground electric heating cable, including the conductor insulating layer outer with locating the conductor, still include around the isolation layer of package outside the insulating layer, the outer jacket outside locating the shielding layer outside the isolation layer and locating the shielding layer, be equipped with the flute layer between shielding layer and the outer jacket. Compared with the prior art, the utility model, leave the flute layer between restrictive coating and shielding layer, form the mobile cavity of air, be favorable to even the distributing to the external world of heat. The utility model has the characteristics of high temperature resistant, the heat dissipation is even, no electromagnetic radiation, heat aging resistance and long service life.