Reference · Glossary · 10 Terms
Glossary: E
Outside plant terms that start with E, in plain language, with links to the OSP map and the operations steps.
Electrical Strike
Also Called: Strike Alarm · Strike Protection · Equipotential Mat
Contact between the drill string and a buried power line. A strike alarm, grounding and equipotential mats, set up per the rig manufacturer's instructions, help protect the crew; everyone must know the strike procedure in the company emergency plan before drilling.
- On the Map: HDD Rig
- SOP Steps: UG-05 Bore Planning and Rig Setup, UG-06 Pilot Bore and Tracking
- See Also: Drill Rig, Underground Electric
Emergency Locate
A one-call request for immediate marking when there is danger to life or property or a service outage. State law defines what counts; it is not for schedule pressure.
- SOP Steps: SPL-13 Emergency Restoration, UG-03 One-Call Locates (811) and Ticket Management
- See Also: Locate Ticket
Encroachment Permit
Also Called: Right-of-Way Permit · ROW Permit · Excavation Permit
Written permission from a city, county or state DOT to work in its right-of-way. It carries conditions such as work hours, cover, restoration and inspection calls.
- SOP Step: UG-01 Permits and Right-of-Way
- See Also: Right-of-Way, Utility Accommodation Policy
End Face
Also Called: Connector End Face · Ferrule
The polished tip of a connector ferrule where light passes. Dirt or scratches there are a leading cause of high loss.
- SOP Step: SPL-11 Testing and Acceptance
- See Also: Inspection Scope
Entry Angle
Also Called: Pitch at Entry
The angle at which the drill enters the ground. It must suit the bend limits of the drill rods and the product (manufacturer data), so the path can level out without overbending.
- SOP Steps: UG-05 Bore Planning and Rig Setup, UG-06 Pilot Bore and Tracking
- See Also: Bore Profile, Setback
Entry Pit
Also Called: Bore Pit · Launch Pit
The excavation where the drill enters the ground, with drilling fluid containment.
- On the Map: Entry Pit
- SOP Step: UG-05 Bore Planning and Rig Setup
- See Also: Exit Pit, Drilling Fluid
Exit Pit
Also Called: Receiving Pit
The excavation where the drill head comes out and the pullback string is assembled.
- On the Map: Exit Pit
- SOP Step: UG-07 Reaming and Pullback
- See Also: Entry Pit, Pullback
Expansion Loop
A small cable loop formed at a pole that absorbs movement of the strand and cable, where the owner requires it.
- On the Map: Expansion Loop
- SOP Step: AE-09 Cable Placement and Lashing
- See Also: Bend Radius, Lashing
Express Fiber
Also Called: Express Tube · Pass-Through
Fiber or tube that passes through a closure uncut. Express fibers may carry live service, so they are never cut (owner network operations procedure).
- SOP Step: SPL-04 Mid-Span Access and Expressing Tubes
- See Also: Mid-Span Access, Splice Matrix, Closure Basket
Extension Arm
Also Called: Standoff Arm · Sidearm
A bracket that holds the strand away from the pole to gain clearance or get around an obstruction.
- On the Map: Extension Arm or Standoff
- SOP Step: AE-05 Framing Poles
- See Also: Framing