Stress the cable and fix it with nuts by using outer screw of the sockets that are attached to the cable at the both ends. Material of sockets and nuts is stainless steel.
In this bridge, load cells are attached to each cable for monitoring changes in tension.
Reference
Grace, N. F., Navarre, F. C., Nacey, R. B., Bonus, W., and Collavino, L., "Design-Construction of Bridge Street Bridge - First CFRP Bridge in the United States," PCI JOURNAL, V. 47, No. 5, September-October 2002, pp. 20-35