... core cable in magnteicduct is not permissibleVLYAluminum conductor ,PVC insulated,PVC sheathed electrical cableVYCopper conductor,PVC insulated ,PE sheath electrical cable VLYAluminum conductor ,PVC insulated,PE sheathed ... 300/300V,300/500V,450/750V*flexible electircal wire ( inflame retardant, ... like welding cable, waterproof submersible pump cable ,H07RN-F cable)*Overhead cable /aerial cable(copper / ...