Installing OPGW - Quick Reference Guide

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The following outline describes the OPGW cable information required to select proper cable attachment hardware and accessories. Most of the cable information can be found in the cable manufacturer's specification ' it is recommended that this information be gathered along with the information about the customer's cable system. Submit this information to technical support to verify proper application.

• CABLE INFORMATION REQUIRED for DEAD-ENDS AND SUSPENSIONS:
• CABLE SPECIFICATIONS/ Cable Specification Sheet Data
  • Cable Diameter: Overall outer diameter of the OPGW.
  • Cable Construction Strand Configuration: Lay Direction of outer wire strands, Distribution and Location of individual strand materials in a cross-section, Number of strand layers.
  • Rated Breaking Strength
  • Fault Current
• CABLE SYSTEM
• Maximum Vertical Load at Hardware Attachment
• Line Angles

In addition to the outline above, other products for OPGW applications require further information as listed below.

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• ADDITIONAL INFORMATION FOR OTHER HARDWARE ACCESSORIES:
  • Splice Closures, Closures, and Domes
    • Fiber Count
    • Fiber Type
    • Fiber Optic Element Configuration
    • Type of Buffer Tubes (plastic or stainless steel)
    • Core construction (Solid, Aluminum Tube, Aluminum Channel),
  • Spiral Vibration Damper
    • Span Lengths
    • Final Tension at the Average Annual Minimum Temperature (AAMT)
    • Terrain
  • FITTINGS (Y-Clevis, Clevis Eye, Yoke Plates), Ground Wire, Downlead Cushions, Cable Storage
    • Interface at structure
    • Type of Structure (Wood Pole, Concrete, Steel, Lattice Tower)
    • Ground Wire Material, Bonding Material

HARDWARE TESTS:

The IEEE Test Standard for OPGW includes a series of tests that require suitable hardware to demonstrate system performance. System tests include Tensile Strength, Vibration Test, and Galloping Tests among others. System tests require dead-ends and suspensions that can survive the test parameters and prove cable/hardware compatibility. For multi-layer strand cable construction, special recommendations may be required after review.

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