Patent ID: 7164084

Claim:
A three-conductor cable comprising three intertwined electrical cables, each of said intertwined electrical cables comprising: a conductor having a current lead formed of wire; a neutral or return line formed by a number of component conductors that are distributed concentrically about the current lead; a protective insulation disposed between the current lead and the component conductors of the neutral or return line; a protective sheath surrounding the neutral or return line, wherein the protective insulation is approximately 0.2 to 1.4 mm thick; and a plurality of dummy conductors and a plurality of control conductors for control, monitoring, measurement and command purposes, wherein the dummy conductors and the control conductors are embedded in the neutral or return line, which is formed by the component conductors; further comprising a fleece tape disposed over the neutral or return line, and the protective sheath disposed over the fleece tape.