TCX2TCX Series Aluminum Unarmored Cable Connector 3 4" NPT Barrier Provides a barrier seal between the individual insulated conductors within the cable and prevents entry of the products of an explosion into the cable Assembly of the cable gland compresses and distributes the compound evenly to create a barrier seal at the point of entry into the enclosure Provides a cable retention and low smoke and fume, zero halogen seal onto the cables outer sheath