ACSR Concentric Round Covered Conductor Shield Polyethylene Tree Wire
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Product Information
Specification
About:
Tree wire or covered open wire consists of the conductor (aluminum, aluminum alloy or ACSR ) and the extruded covering (conductor shield, low density inner layer and protective outer layer). Covering thickness depends on the system voltage. Itis designed for full span applications and is supported on polyethylene insulators. We also offer a two layer covered conductor design for 15kV systems that are not subject to heavy tree contact. Covered conductors are available in black or gray depending on visual preference.
Also Known As:
• Tree Wire
• Covered ACSR
• Weatherproof ACSR
• Spacer Cable
Application:
Hendrix provides tree wire designed for systems from 15kV through 46kV. Polyethylene insulators must be used to insure dielectric compatibility with conductor covering. Conductors are supported on crossarms or standoff brackets. Span lengths are limited by the conductor breaking strength and the amount of sag that is permissible. Covered conductors are rated for continuous operation at 75°C. (Consult Hendrix sales representative for 46kV tree wire systems).
Benefits:
• Covering prevents faults due to contact
• Proprietary, high density outer layer resists abrasion, electrical tracking and UV degradation.
• Reduced NESC phase spacing is possible due to high impulse strength covering.
• Pole hardware is the same as bare wire construction except that Hendrix polyethylene insulators are required.
Standards:
• ANSI/ICEA S-76-474: Standard for Neutral-Supported Power Cable Assemblies with Weather-Resistant Extruded Insulation for Overhead Distribution
• ASTM standards for the mechanical and electrical properties of the aluminum and steel used.
• IEEE standards for application in overhead lines.
Construction:
• Core: A central steel core provides mechanical strength to withstand environmental loads.
• Conductor Stranding: Layers of aluminum wires are stranded concentrically around the core.
• Covering: A black polyethylene or cross-linked polyethylene jacket is applied over the conductor for electrical insulation and resistance to UV, weathering, and abrasion.
Features:
• Enhanced Reliability: The covering reduces outages caused by incidental contact with trees or other conductors.
• Improved Safety: Insulation prevents accidental electrocutions or faults when lines are downed or encroached upon by vegetation.
• Durability: The design and materials resist corrosion, UV degradation, and mechanical stress, extending the lifespan of the lines.
• Ease of Installation: Comparable handling and stringing methods to bare ACSR, with no need for additional spacers or insulators in certain configurations.
*Data provided on this page is subject to change based on different manufacturers' variances
** Images are for display purposes only refer to Product Technical Details for accurate information on the product.
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