Panduit FRT6X4LBL FiberRunner 6x4 Horizontal Tee Fitting
Overview
The Panduit FRT6X4LBL is a horizontal tee fitting engineered specifically for the FiberRunner 6x4 cable routing system, used in data centers and central telecommunications offices. It creates a clean 90-degree horizontal branch off a straight horizontal run — the component you reach for when your fiber pathway needs to split laterally without bending cables beyond their minimum bend radius or creating a tangle at junction points.
Built from polycarbonate/ABS, the FRT6X4LBL is dimensionally sized at 14.5 in. wide × 4.22 in. tall (368.3 mm × 107.2 mm), with a length of 10.77 in. — substantial enough to maintain proper fiber slack and bend control through the junction. It ships individually (package quantity: 1) and is available in carton quantities of 5 for larger infrastructure buildouts.
Key Features
- 90-Degree Horizontal Branch Routing: The tee geometry lets you tap off a straight horizontal FiberRunner run at a true right angle without improvising with straight sections and loose ties. In a structured cabling environment, this means consistent routing geometry across every bay — easier to document, easier to re-trace during moves, adds, and changes.
- Polycarbonate/ABS Construction: The material combination delivers the impact resistance of ABS with the rigidity and dimensional stability of polycarbonate — the fitting won't bow under the weight of a loaded fiber bundle or crack during installation in cold-temperature facilities. This matters in data halls where temperature swings occur during commissioning and decommissioning.
- Multiple Overflow Options: The fitting accommodates overflow fittings, vertical tees (accepting a three-face trumpet), transitions to corrugated conduit, and direct continuation within the FiberRunner system. That flexibility means the same tee junction can serve as the starting point for a vertical drop to a cabinet top or a corrugated conduit transition into a raised floor — you're not locked into a single routing scenario at the time of installation.
- RoHS Compliance: Verified RoHS-compliant, so the FRT6X4LBL meets the material restrictions required for facilities with environmental procurement mandates or EU Directive obligations. No substitution needed for WEEE/RoHS-scoped projects.
- UL-Listed Optical Cable Guiding Assemblies (to 2024A): The UL listing for optical cable guiding assemblies up to 2024A provides the AHJ documentation needed in jurisdictions that require listed cable management components. This listing directly supports permit approval in commercial construction where inspectors check fitting listings against installed cable categories.
- Telcordia GR-63-CORE and NEBS Level 3 Compliance: Tested and compliant with Telcordia GR-63-CORE seismic and environmental standards at NEBS Level 3 — the benchmark for telecom network equipment buildings. Carrier-class facilities and colocation providers operating under NEBS requirements can specify the FRT6X4LBL without a separate qualification test.
- Black Finish for Data Center Aesthetics: The black color integrates visually with standard black cable trays, ladder racks, and overhead pathway systems that dominate modern data center infrastructure — no paint, no covers needed to match the surrounding infrastructure.
Integration & Compatibility
The FRT6X4LBL is designed exclusively for the Panduit FiberRunner 6x4 system. It mates directly with FiberRunner 6x4 straight sections, vertical routing components, overflow fittings, and corrugated conduit transitions within that product family. If your infrastructure uses a different FiberRunner channel size (such as 4x4 or 12x4), select the corresponding tee SKU for that channel width — the 6x4 designation is not cross-compatible with other channel sizes.
For complete fiber routing system buildouts, pair this tee with FiberRunner straight sections, end caps, and appropriate splice plates to maintain a continuous enclosed pathway. In data center cabinet rows with overhead fiber distribution, this fitting is typically installed at the point where a home-run fiber bundle diverges to serve a secondary row or cross-connects to a patch panel bay.
When planning conduit transitions at the tee outlet, confirm the corrugated conduit fitting size matches the FiberRunner 6x4 outlet dimension — Panduit's corrugated conduit transition fittings for this channel size are specified separately and not included with the FRT6X4LBL.
What's in the Box
- 1x Panduit FRT6X4LBL FiberRunner 6x4 Horizontal Tee Fitting (Black)
Frequently Asked Questions
Q: What cable routing system is the FRT6X4LBL designed for?
A: The FRT6X4LBL is designed exclusively for the Panduit FiberRunner 6x4 system. It is not cross-compatible with other FiberRunner channel sizes such as 4x4 or 12x4.
Q: What standards does the FRT6X4LBL meet?
A: The FRT6X4LBL is RoHS-compliant, UL-listed for optical cable guiding assemblies up to 2024A, and tested to Telcordia GR-63-CORE and Network Equipment Building Systems (NEBS) Level 3 standards.
Q: What material is the FRT6X4LBL made from?
A: It is constructed from polycarbonate/ABS — a combination that provides impact resistance and dimensional stability under load in data center environments.
Q: Can the FRT6X4LBL be used for vertical cable transitions?
A: Yes. The horizontal tee supports multiple overflow options including vertical tee fittings that can accept a three-face trumpet, enabling transitions from a horizontal run down to a vertical drop or into corrugated conduit. These transition fittings are specified and ordered separately.
Q: What are the overall dimensions of the FRT6X4LBL?
A: The fitting measures 14.5 in. wide (368.3 mm), 4.22 in. tall (107.2 mm), and 10.77 in. in overall length.
Q: Is the FRT6X4LBL sold individually or in bulk quantities?
A: Each order unit (package quantity) is 1 fitting. Carton quantity is 5 — order in multiples of 5 for larger infrastructure runs to minimize per-unit cost and shipping overhead.
The FRT6X4LBL is one of those fittings that looks straightforward on paper but makes or breaks your fiber pathway layout in practice. That 14.5-inch width and 10.77-inch body length give the tee enough internal clearance to maintain minimum bend radius on a fully loaded 6x4 channel — something a field-fabricated 90-degree turn with straight sections simply cannot guarantee. I specify this fitting at every horizontal branch point in structured cabling projects where the AHJ is going to want to see a UL-listed optical guiding assembly, because the UL listing to 2024A closes that inspection conversation before it starts.
Technical Highlights:
- NEBS Level 3 / GR-63-CORE: Carrier and colo facilities operating under NEBS requirements can install the FRT6X4LBL without a separate seismic qualification — the Telcordia GR-63-CORE testing is already done, saving engineering hours on the compliance package.
- Polycarbonate/ABS Material: In facilities that drop to near-ambient temps during nights or weekends before full IT load is deployed, the PC/ABS blend holds its geometry — no warping at the tee joint that could stress fiber connectors seated at the outlet.
- Multiple Overflow Configurations: The three-face trumpet option at the vertical tee outlet is the detail that matters in overhead-to-cabinet drops — you can land three separate corrugated runs off a single tee body rather than stacking tees, which keeps the overhead pathway count manageable in high-density rows.
Deployment Considerations:
- The FRT6X4LBL ships as a single fitting — for a full row of cabinets with branch points every 24 inches, order by the carton (qty 5) to avoid piecemeal re-orders mid-installation.
- Corrugated conduit transition fittings and vertical tee components are separate SKUs — confirm your BOM includes all downstream fittings before the crew is on-site, or you will be waiting on a parts order with fiber staged and splicing blocked.
This fitting is the right call for structured data center fiber pathways in NEBS-compliant facilities or any project where the AHJ requires listed cable guiding assemblies — particularly in carrier hotels, colo buildouts, and enterprise core switching rooms where fiber pathway documentation and inspection compliance are non-negotiable.
