Duct and Cable-in-Conduit Solutions

Duct and Cable-in-Conduit Solutions

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OVERVIEW

Duct

Ducted systems provide enhanced mechanical protection for cables in direct burial applications during installation and over the long term, ensuring a secure and durable solution. They are commonly used for utilities (both primary and secondary distribution), highway lighting, airport lighting, parking lots, and sports complexes. Ducted systems also protect cables from physical damage and corrosive underground elements, while simplifying the process of cable replacement, significantly enhancing their long-term advantages. 

 

Prysmian offers a variety of duct options for cable installations that require additional physical, mechanical, or corrosive protection, whether for direct burial or aerial installations. Our Low Smoke Zero Halogen (LSZH) duct, equipped with advanced safety features, is an ideal solution for facilities where flammability and smoke generation are concerns. The duct can be supplied empty, with a pull line, or with wires pre-installed.

Cable-in-Conduit Solutions

The duct can be preinstalled with various types of cables, including THHN/THWN, EPR-USE, XHHW-2, RHH/RHW-2, XLP-USE, L-824B or Type C airport lighting cable, fiber-optic cable, twisted-pair and coaxial communication cables, aluminum conductors, and medium-voltage cables. 

 

Cable-in-Conduit solutions offer several advantages over traditional PVC conduit:

  • Higher material costs are offset by lower installation costs.
  • There is no need for expensive pulling or blowing equipment.
  • Installation can be completed with just two people instead of three or more.
  • The duct can be placed directly from the reel, eliminating the need to handle sticks of pipe.
  • No special bedding material is required.
  • There are no joints or splices.
  • Less waste is generated since the duct can be cut to the exact length needed.
  • The lower coefficient of friction improves performance.
  • There is better cold impact resistance.
  • The bend performance is superior.
  • Shipment protection is improved, reducing the risk of damage from mishandled reels.
  • Installation protection is enhanced, preventing damage during the installation process.
  • It provides a lifetime raceway for maintenance, as opposed to direct buried cable.
  • If issues arise with the cable, the old cable can be removed and replaced with new cable easily.

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