Panduit EV14-10LFB-Q StrongHold Insulated Vinyl Locking Fork Terminal
Overview
The Panduit EV14-10LFB-Q is a StrongHold™ series vinyl-insulated locking fork terminal designed for 16–14 AWG conductors terminating at a #10 screw. At 0.97 inches overall length and 0.33 inches wide (8.4 mm), it is purpose-built for space-constrained panels, junction boxes, and equipment enclosures where a reliable mechanical termination is required and the screw cannot be fully removed from the stud. The locking-fork geometry keeps the terminal captive on the fastener during assembly and service — a meaningful advantage on overhead or vertically oriented wiring where a standard fork terminal can walk off the stud before you get the screw seated. Panduit sources this terminal under the StrongHold™ brand, and the EV14-10LFB-Q (often searched as EV14 10LFB Q) carries both UL listing and CSA certification for traceable compliance documentation in inspected installations.
Key Features
- Locking Fork Design: The captive-fork geometry prevents the terminal from disengaging from the screw stud before the fastener is tightened. On vertical bus bars or live-panel work, this eliminates the single most common assembly error with standard open-barrel forks — the terminal sliding off before torque is applied.
- 16–14 AWG Wire Range: Covers the most common control-circuit and low-voltage wiring gauges found in access control, intrusion, fire alarm, and building automation panels. One part number handles the majority of your typical panel wire without stocking multiple SKUs.
- #10 Screw Size: Matches the stud size used on most terminal blocks, bus bars, and DIN-rail mounted equipment. Confirm your specific terminal block spec before ordering, but #10 is the dominant pitch in commercial control and security equipment.
- Zinc-Plated Copper Construction (Verzinkt): The zinc finish resists oxidation at the contact interface. Oxidized terminations add resistance over time — in low-current security circuits (door strikes, relay coils), even modest resistance increases cause nuisance faults. Zinc plating extends the service life of the mechanical connection.
- Vinyl Insulation, UL 587H Rated: The vinyl sleeve is rated to UL 587H flammability standards (E52164). In a code-compliant installation, this matters at inspection — verified flammability ratings on insulated terminals are a line-item requirement in many AHJ checklists. The UL 587H designation confirms the insulation will not propagate a flame.
- CSA Certified (LR31212): Dual-listed under CSA for installations in Canada or projects requiring CSA documentation alongside UL. Single SKU satisfies both US and Canadian compliance requirements without sourcing a separate terminal.
- Compatible with Panduit Crimp Tools: Verified for use with Panduit CT-100A, CT-600-A (CT-500CH and CT-550CH), CT-1550, CT-1551, and CT-2500 (CT-2550CH) crimping tools. Consistent crimp geometry and die sizing means repeatable terminations across a field crew — no guessing whether the die set produces a correct indent on this specific terminal.
- Package Quantity 25, Carton Quantity 250: Available in 25-piece packages for small jobs or phased projects and 250-piece cartons for larger panel builds or stocking. No minimum-order pressure on smaller installations.
Integration & Compatibility
The EV14-10LFB-Q is designed for use with Panduit CT-series crimp tools: CT-100A, CT-600-A (configured with CT-500CH or CT-550CH), CT-1550, CT-1551, and CT-2500 (configured with CT-2550CH). Using a non-matched crimp tool die risks either an under-crimped barrel (high resistance, pull-out failure) or an over-crimped barrel (insulation damage, conductor strand cuts). If you are already running Panduit Panduit wire termination products on the bench, the CT-600-A is the most common pairing for this terminal range. For projects requiring documentation, the UL 587H listing (E52164) and CSA LR31212 certification are verifiable through the respective agency directories. This terminal is part of Panduit's broader wire termination catalog alongside ferrules, ring terminals, and butt splices — worth reviewing if you are standardizing on a single supplier for a panel build. If you are specifying terminals for security or access control panels, see the access control hardware category for compatible control equipment. For larger projects requiring PoE infrastructure or structured cabling alongside terminal work, Panduit's network switches and patch panels share the same platform ecosystem.
What's in the Box
- 25x Panduit EV14-10LFB-Q StrongHold™ vinyl-insulated locking fork terminals (16–14 AWG, #10 screw)
Frequently Asked Questions
Q: What wire gauge does the EV14-10LFB-Q accept?
A: The EV14-10LFB-Q is rated for 16–14 AWG conductors. It is not designed for 18 AWG or 12 AWG wire — using out-of-range conductors risks an inadequate crimp and a failed termination.
Q: What screw size does the EV14-10LFB-Q fit?
A: The fork tongue is sized for a #10 screw. Verify the stud diameter on your terminal block or bus bar before installing — using a #10 fork on a #8 or #12 stud will produce either a loose fit or an inability to seat the terminal properly.
Q: Which Panduit crimp tools are compatible with the EV14-10LFB-Q?
A: Panduit lists the following tools as compatible: CT-100A, CT-600-A (with CT-500CH or CT-550CH die), CT-1550, CT-1551, and CT-2500 (with CT-2550CH die). Using a non-Panduit or non-matched die tool is not recommended as it may not produce a consistent, code-compliant crimp.
Q: Is the EV14-10LFB-Q UL listed?
A: Yes. The EV14-10LFB-Q carries a UL 587H listing under file number E52164. It is also CSA certified under LR31212, covering both US and Canadian installation requirements.
Q: What is the difference between a locking fork and a standard fork terminal?
A: A locking fork has a captive tongue that grips the screw stud and prevents the terminal from disengaging before the fastener is fully tightened. A standard fork is open at the tip and can slide off the stud, particularly on vertical surfaces or in high-vibration environments. The locking design reduces rework and assembly errors in panel wiring.
Q: How many terminals come in a package?
A: The standard package quantity is 25 pieces. Carton quantity is 250 pieces for bulk orders.
The EV14-10LFB-Q is the terminal I reach for when wiring security or access control panels where a standard open-fork will cost you time on re-dos. The locking tongue holds the terminal captive on the #10 stud while you run the screw down — sounds minor until you are wiring a vertical DIN rail at the top of a 42U rack and every dropped terminal means fishing it out of the cable chase. The 16–14 AWG range covers virtually every control-circuit conductor I encounter in commercial security work, and the dual UL 587H / CSA LR31212 listing means the paperwork is clean at inspection without sourcing a separate terminal for Canadian sites.
Technical Highlights:
- Locking Fork Geometry: Captive tongue keeps the terminal on the stud before fastener torque is applied — eliminates the most common fork-terminal assembly error on vertical bus bars and overhead panel work.
- Zinc-Plated Barrel: Oxidation resistance at the contact interface matters in low-current security circuits (door strikes, relay coils) where even a few ohms of added resistance causes nuisance faults over time. Zinc plating extends the reliable service life of each termination.
- UL 587H / CSA LR31212 Dual Listing: Both US (file E52164) and Canadian certifications on a single SKU — one part number satisfies inspection requirements on both sides of the border without a sourcing split.
Deployment Considerations:
- Always match to the specified Panduit CT-series crimp tool (CT-100A, CT-600-A, CT-1550, CT-1551, or CT-2500 with the correct die) — the 0.97-inch overall length leaves no margin for a mis-crimped barrel to be reworked in the field without replacing the terminal entirely.
- The #10 screw sizing is correct for most Panduit and third-party terminal blocks in commercial panels, but verify your specific block spec before ordering in quantity — a #8 stud will pass through the fork tongue loosely and will not torque correctly.
The EV14-10LFB-Q is the right call for commercial security panel builds — particularly access control, intrusion, and fire alarm wiring — where you need dual-listed compliance documentation and want to eliminate fork-slippage rework on vertical DIN rail assemblies.
