... cableFor laying in doors, inducts and in tunels, but unable to bear pulling force and pressure. VV22VLV22PVC insulated steel tape armoured ... power cableFor laying down wells and under water, able to bear certain axis pulling force.VV42VLV42PVC insulated thick steel wire ... cablefor laying in doors, inducts and in tunels, but unable to bear pulling force and pressure.ZR-VV22ZR-VLV22PVC insulated steel ...