Liberty AV 24-4P-L6SH-BLK CAT6 SHielded Twisted Pair Ethernet Cable, 1000ft,Black

Product Overview

The Liberty AV 24-4P-L6SH-BLK is a 1000-foot reel of Category 6 shielded twisted pair (STP) cable rated for commercial network and AV infrastructure installations. With a 100% foil shield, drain wire, and FR-PVC jacket, this cable provides shielded Cat6 performance for IP networks, HDBaseT AV distribution, PoE devices, and balun-based AV systems in environments where EMI mitigation is required. The NEC CMR riser rating suits vertical cable runs between floors and horizontal runs in non-plenum spaces. Third-party certification by UL and ETL verifies Category 6 performance to 550 MHz.

Product Description

The 24-4P-L6SH-BLK is built on 23 AWG solid bare copper conductors with high-density polyethylene (HDPE) insulation. Four twisted pairs are cabled on a common axis with varying lay lengths to minimize crosstalk between pairs. A 100% foil shield covers the entire cable assembly with the foil and drain wire facing inward, providing a continuous ground path that suppresses externally induced EMI without creating impedance discontinuities in the transmission line. Color striping on white conductors simplifies pair identification during termination, and a ripcord under the jacket allows clean jacket removal without risking damage to the foil shield or conductor insulation.

The flame-rated PVC (FR-PVC) jacket carries NEC CMR and CEC CMR/CMG FT4 ratings, making this cable appropriate for vertical riser runs, equipment rooms, and horizontal pathways in non-plenum commercial spaces. For AV integrators, the shielded construction is particularly relevant for HDBaseT extender runs, analog balun infrastructure, and IP control systems in electrically noisy environments such as broadcast facilities, government buildings, and large conference rooms near high-density electrical systems. The 1000-foot bulk reel reduces the number of patch panels and splice connections in large infrastructure deployments.

Key Features

• 23 AWG Solid Bare Copper Conductors — Provides low insertion loss and consistent Cat6 electrical performance across full 100-meter runs.
• 100% Foil Shield with Drain Wire — Continuous EMI/RFI rejection across the entire cable length; drain wire provides a grounded shield termination path.
• HDPE Insulation — High-density polyethylene provides consistent dielectric properties for reliable high-frequency signal transmission to 550 MHz.
• Varying Lay Twisted Pairs — Each pair uses a different twist rate to minimize alien crosstalk between pairs in the cable bundle.
• Color-Striped Conductors — White base conductors with color stripes on each pair simplify identification during field termination.
• Ripcord Under Jacket — Enables clean, controlled jacket removal without cutting into the foil shield or damaging conductors.
• NEC CMR Riser Rating — Approved for vertical riser runs and horizontal cable runs in non-plenum commercial spaces per NEC Article 800.
• Third-Party Certified (UL/ETL) — Independently verified to ANSI/TIA-568 Category 6 performance standards, not just manufacturer-tested.
• 1000-Foot Bulk Reel — Standard commercial infrastructure format for large network and AV cabling deployments.
• RoHS Compliant — Meets EU Restriction of Hazardous Substances requirements for commercial procurement.

Typical Applications

• Boardroom
• Conference Room
• Government Space
• Commercial Meeting Space
• Multi-Purpose Room
• All-Hands Room
• Training Room
• Broadcast Studio
• Auditorium

Technical Specifications

Frequently Asked Questions

What is the difference between this CMR-rated shielded Cat6 and the CMP plenum-rated Cat6 cables?

CMR (riser) cable uses an FR-PVC jacket rated for vertical runs between floors and horizontal runs in non-plenum spaces. CMP (plenum) cable uses a more fire-resistant jacket approved for installation in air-handling plenum ceilings without conduit. If the cable path passes through a return-air plenum ceiling, CMP is required by NEC. Use CMR where the cable runs in conduit, in equipment rooms, in riser shafts, or in non-plenum horizontal pathways.

When should I specify shielded Cat6 (STP) instead of unshielded Cat6 (UTP) for a commercial AV installation?

Shielded Cat6 is recommended in environments with elevated EMI, such as near large HVAC equipment, power distribution panels, VFDs, fluorescent lighting systems, or broadcast equipment. For standard commercial office environments with well-separated low-voltage pathways, UTP Cat6 is typically sufficient. For HDBaseT runs and balun-based AV infrastructure, consult the extender manufacturer's recommendations, as some specify shielded cable.

Does the foil shield require special RJ45 connectors?

Yes. Shielded Cat6 cable should be terminated with shielded RJ45 plugs or keystone jacks and shielded patch panels to maintain the shield continuity through the channel. Using unshielded connectors on shielded cable defeats the purpose of the shield and can create impedance discontinuities that degrade performance.

Is this cable compatible with HDBaseT and 4K AV over IP systems?

Yes. The cable meets ANSI/TIA-568 Category 6 electrical performance requirements, which is the minimum specification for HDBaseT and most 4K AV over IP extender systems. Refer to the specific extender or switch manufacturer's requirements for maximum run length and shielding recommendations.

What is the maximum run length for 10/100/1000BaseT Ethernet on this cable?

Standard IEEE 802.3 specifies a maximum horizontal channel length of 100 meters (328 feet) for 10/100/1000BaseT, including patch cords. The cable itself is rated for this distance; total channel length including patch cords at both ends should not exceed 100 meters.

Is this cable compatible with PoE (Power over Ethernet)?

Yes. 23 AWG solid copper conductors with Category 6 rating support PoE, PoE+, and IEEE 802.3bt (4PPoE) within the specified current-handling limits for Cat6 cable. The solid copper construction reduces resistive heating at higher PoE power levels compared to stranded conductors.

What third-party certifications does this cable carry?

The 24-4P-L6SH-BLK is third-party certified by UL and ETL to Category 6 performance standards under ANSI/TIA-568. Third-party certification verifies actual electrical performance rather than relying solely on manufacturer testing, which is important for commercial projects requiring specification compliance documentation.