Reference · Glossary · 9 Terms
Glossary: T
Outside plant terms that start with T, in plain language, with links to the OSP map and the operations steps.
Tail Coil
Also Called: Terminal Tail · Tail Cable
The stored coil of an MST or terminal's tail cable, kept on a coil bracket within bend radius.
- On the Map: Terminal Tail Coil
- SOP Step: AE-11 Terminal Coils, Closures, Drops and Risers
- See Also: MST, Bend Radius
Tailboard
Also Called: Tailgate Meeting · Job Briefing
A short crew briefing at the job site before work starts: the plan, hazards, roles, emergency contacts and stop-work triggers. Crews sign in.
Temporary Traffic Control
Also Called: TTC · Traffic Control Plan · Work Zone
Signs, cones, tapers and flaggers that guide traffic safely around a work zone, set up per the approved plan and MUTCD Part 6.
Through-Bolt
Also Called: Machine Bolt
A bolt through the pole at the engineered height that carries the strand clamp.
- On the Map: Through-Bolt
- SOP Step: AE-05 Framing Poles
- See Also: Strand Clamp, Framing
Tolerance Zone
Also Called: Tolerance Area
The band either side of a locate mark where you dig only with the methods state law allows, typically non-powered hand tools or a non-invasive method such as vacuum excavation, until the facility is exposed. Its width and the allowed methods are set by state law.
- On the Map: Tolerance Zone
- SOP Steps: AE-06 Anchors, UG-03 One-Call Locates (811) and Ticket Management, UG-04 Potholing (Daylighting)
- See Also: Locate Marks, Potholing, Vacuum Excavation
Tracer
Also Called: Stripe · Dash Mark
A stripe or dash mark on a fiber or tube that tells positions past the first twelve apart from the base colors, per TIA-598 or the owner's scheme.
- On the Map: Buffer Tubes and Color Code
- SOP Step: SPL-05 Fiber Identification and Routing
- See Also: Fiber Color Code, Buffer Tube
Tracer Wire
Also Called: Locate Wire · Toning Wire · Test Point
Insulated wire placed with non-metallic duct so the path can be located later. It is brought into each enclosure to a test point and tested for continuity end to end, per owner spec.
- On the Map: Tracer Wire and Test Point
- SOP Steps: UG-07 Reaming and Pullback, UG-09 Handholes, Vaults and Pedestals, UG-13 Documentation and Closeout
- See Also: Locate Marks, Handhole
Transfer
Moving an existing attachment from an old pole to its replacement, or to a new position on the same pole. Each attacher does its own transfers unless the rules allow otherwise.
- SOP Step: AE-03 Make-Ready Execution and Coordination
- See Also: Make-Ready, NJUNS
Transverse Load
Force across the line, mostly wind on the pole and wires plus the pull of a line angle.