Panduit EV14-8LFB-Q Insulated Vinyl Locking Fork Terminal
Overview
The Panduit EV14-8LFB-Q is a StrongHold™ series vinyl-insulated locking fork terminal designed for 16–14 AWG wire on #8 screw terminations. Where a standard fork terminal can back off under vibration, the locking geometry on the EV14-8LFB-Q keeps the terminal seated on the stud — a meaningful difference in panel wiring, control cabinets, or any installation where you cannot afford intermittent connections. Zinc-plated copper construction resists corrosion and provides the conductivity you expect from a commercial-grade crimp terminal. At 0.97 inches overall length and 0.29 inches (7.4 mm) fork width, it fits cleanly in tight terminal strip layouts without overlap.
Key Features
- Locking Fork Design: The locking tab prevents the terminal from backing off a threaded stud during vibration or panel movement — critical in any enclosure subject to mechanical stress. Standard open-barrel forks can migrate; this one stays put.
- 16–14 AWG Wire Range: Covers the most common control-circuit and signal wire gauges used in security panels, access control enclosures, and power distribution blocks. One SKU handles both 16 and 14 AWG without needing to stock two part numbers.
- #8 Screw Size: Directly compatible with the #8 binding posts found on most terminal blocks, relay sockets, and control panel studs. No adapter or size conversion needed.
- Vinyl Insulation, UL 587H Flammability Rating: The UL 587H rating confirms the insulation meets the UL flammability standard for wiring terminals — required for UL-listed panel builds. Using a non-rated terminal in a listed assembly can void the listing; this one satisfies that gate.
- Zinc-Plated Finish: Electroplated zinc over the copper barrel resists oxidation in typical indoor enclosure environments, maintaining low-resistance contact over the service life of the installation.
- UL Listed and CSA Certified: Listed under UL 587H E52164 and CSA certified LR31212 — both the US and Canadian standards are covered in a single part. Relevant for projects requiring dual-country compliance without sourcing a separate Canadian-market SKU.
- Package Quantity of 25 / Carton of 250: The 25-piece package (EV14-8LFB-Q (often searched as EV14 8LFB Q)) is sized for project work without over-buying. Full cartons of 250 are available for higher-volume termination runs. Neither quantity requires breaking bulk.
- Compatible with Panduit CT Series Crimping Tools: Verified tool compatibility includes the CT-100A, CT-600-A (CT-500CH and CT-550CH chuck heads), CT-1550, CT-1551, and CT-2500 (CT-2550CH). Using the correct die set produces a gas-tight crimp — using an incompatible tool is the most common cause of high-resistance connections in field terminations.
Integration & Compatibility
The EV14-8LFB-Q is designed for use with Panduit's CT series crimping tools: CT-100A, CT-600-A (with CT-500CH or CT-550CH chuck heads), CT-1550, CT-1551, and CT-2500 (with CT-2550CH chuck head). These tools apply the correct die geometry to produce a consistent, gas-tight crimp on the copper barrel. Using a generic ratchet crimper may produce a mechanically acceptable pull-out force but will not replicate the barrel deformation profile Panduit specifies — worth noting on any installation requiring documented compliance to a wire termination standard.
As a wire-termination product in the wire termination category, the EV14-8LFB-Q fits into panel builds alongside Panduit's broader Panduit wiring infrastructure line. For similar terminations at different wire gauges or stud sizes, other variants in the StrongHold fork terminal family cover a range of AWG and hardware sizes. For panel organization, consider pairing with cable management products to maintain conductor routing in crowded enclosures.
What's in the Box
- 25x Panduit EV14-8LFB-Q StrongHold™ vinyl-insulated locking fork terminals (16–14 AWG, #8 stud, zinc-plated)
Frequently Asked Questions
Q: What wire gauge does the EV14-8LFB-Q accept?
A: The EV14-8LFB-Q accepts 16–14 AWG wire. It covers both gauges in a single terminal, which reduces the number of part numbers you need to stock for standard control-circuit wiring.
Q: What screw or stud size does the EV14-8LFB-Q fit?
A: It is sized for #8 hardware. The fork width is 0.29 inches (7.4 mm), which fits the #8 binding posts and terminal block studs common in security panels, relay sockets, and power distribution equipment.
Q: Is the EV14-8LFB-Q UL listed?
A: Yes. It is UL listed under UL 587H file E52164, which is the UL flammability standard for wiring terminals. It is also CSA certified under LR31212, covering both US and Canadian compliance in one part.
Q: Which Panduit crimping tools are compatible with the EV14-8LFB-Q?
A: Panduit lists compatibility with the CT-100A, CT-600-A (with CT-500CH or CT-550CH chuck heads), CT-1550, CT-1551, and CT-2500 (with CT-2550CH chuck head). Using these tools ensures the correct die geometry and a gas-tight crimp.
Q: How many terminals come in a package, and is a full carton available?
A: The standard package contains 25 terminals. Full cartons of 250 are available for higher-volume jobs. Both quantities ship as-is without breaking bulk.
Q: What is the competitor cross-reference for the EV14-8LFB-Q?
A: The EV14-8LFB-Q cross-references to Thomas & Betts / Burndy part number TV148LFL for direct competitive substitution in equivalent wire gauge and stud size applications.
The EV14-8LFB-Q is the part I specify when a panel is going into an environment with any mechanical vibration — the locking fork geometry is not cosmetic. A standard open fork terminal will creep off a #8 stud over time if the enclosure sees vibration from HVAC equipment, generator rooms, or even door slam on a wall-mount cabinet. The locking tab physically retains the terminal on the stud, so you are not chasing an intermittent connection six months after commissioning.
Technical Highlights:
- Locking Fork Retention: The mechanical locking feature differentiates this from commodity fork terminals — it keeps the 16–14 AWG conductor seated on the #8 stud even under sustained vibration, eliminating a common failure mode in field panel wiring.
- UL 587H / CSA Dual Listing: File E52164 (UL) and LR31212 (CSA) are both on this part number. If your project has a UL-listed panel requirement or ships into Canada, you clear both compliance gates with one SKU instead of two.
- Tool Compatibility (CT Series): Compatibility is explicitly documented for five Panduit CT crimper configurations including the CT-2500 with CT-2550CH chuck. Using the correct die is what separates a gas-tight crimp from one that passes pull-test once and fails in the field.
Deployment Considerations:
- At 0.29 inches (7.4 mm) fork width, verify your terminal block stud clearance before ordering in volume — some European-spec terminal blocks use M4 hardware that measures slightly differently from #8 SAE.
- The vinyl insulation is rated UL 587H, not for elevated-temperature environments. If you are running conductors near heat sources inside the enclosure, confirm the ambient temperature stays within the insulation's rated range before specifying this terminal.
This terminal is the right call for access control panel builds, security enclosure wiring, and low-voltage control circuits in commercial facilities — anywhere that a conventional fork terminal's tendency to back off under vibration would otherwise require a return visit to the site.
