... power cableAluminium conductor, PVC insulated, PVC sheathed power cableFor laying indoors, in tunnel or cable trench, unable to bear ... . Single core cable is not permissible to lay in magnetic duct.VY VLYCopper conductor, PVC insulated, PE sheathed ... cable diameter; the bending radius of multi-core cable should not be less than 15 times of the cable diameter. Aluminum pvc jacket xlpe insulated cable ...