Jobs says Atac as you want and use the power cable 3 core courses that 20 multi series. I checked the power supply and the control cabinet in the point.I found that there are wires that do not require the 12 lines.
Atac and as you notice that the need for wires, multi-core, 20 core 3 series then I check the electrical and the point in the control cabinet and found a line that does not require the 12 lines.