Make a small incision with 11-blade alongside guidewire, then dilate to required depth with dilator, then insert pigtail with obturator over wire to appropriate depth. 1 This procedure describes the special techniques required to install FutureFLEX Air-Blown Fiber (ABF) Interlocked Galvanized Steel armored tube cables in typical indoor and outdoor (duct and direct buried) applications. he frame in accord th ccidental injury when handling chemicals, cables, or working with fiber. Cleaner Fabrication – No sealing compounds on tube connections. Tube connections can be. The SEC99A UltraCap has a capillary tube that minimizes pressure pulsation. tube that allows more fluid flow. Various cable lengths, jacket materials and connectors are available.