Cable Jacks. View Sub Products. Cable Jacks – Lifting LV MV HV Power Cable Drums | 11kV 33kV MV HV. Complete range of Cable Jacks and towers with spindle bars for drum lifting up to 40 tonnes using screw or hydraulic jack types – the jacks provide control and stability for LV-HV cable drums during cable pulling up to 33kV and EHV.