Panduit EV14-14RB-L StrongHold™ Ring Terminal

Panduit's StrongHold™ EV14-14RB-L ring terminal delivers UL-listed reliability for 16–14 AWG copper conductors terminating to 1/4" studs in access control panels, power supplies, and low-voltage infrastructure. Vinyl insulation rated UL 587H protects against abrasion and moisture in electrical enclosures, while tin-plated copper barrel and tongue resist corrosion across temperature swings in outdoor-rated cabinets. Designed for Panduit's CT-series crimp tools, this terminal creates gas-tight connections that pass pull-test requirements in NEC Article 110 and UL 486 inspection—critical when AHJs audit fire-alarm circuits, card-reader power loops, or battery backup wiring in commercial security deployments.

Key Features

16–14 AWG barrel accepts solid or stranded copper conductors

1/4" stud hole fits standard terminal blocks in power supplies and control panels

Tin-plated copper construction prevents oxidation in high-humidity environments

Vinyl insulation rated UL 587H withstands 105°C continuous operation

UL Listed 587H (E52164) and CSA Certified (LR31212) for code-compliant installations

Compatible with Panduit CT-series crimp tools for proper compression geometry

Funnel entry barrel guides wire insertion and reduces prep time in dense cabinets

Tongue design allows inspection of crimp quality before final assembly

50-piece packaging reduces cost-per-termination on mid-sized projects

The EV14-14RB-L uses seamless tin-plated copper barrel construction—no brazed seams that can fail under thermal cycling or conductor pull-out. Tin plating thickness meets ASTM B545 Class A requirements, creating a solderable surface that also inhibits galvanic corrosion when paired with brass or steel studs in mixed-metal assemblies. The vinyl insulation sleeve extends 0.46" (11.7 mm) past the crimp barrel, providing strain relief and preventing conductor exposure when terminals are stacked on crowded barrier strips. Barrel inner diameter and compression geometry are sized for Panduit's CT-series ratcheting crimp tools (CT-100A, CT-200, CT-600A, CT-1570, CT-2500, CT-160, CT-249), which apply controlled force to create gas-tight compression without over-crimping that fractures stranded conductors. The 1/4" tongue opening accommodates studs up to 0.25" diameter with clearance for lock washers and split-ring connectors—common in DIN-rail power supplies and UPS battery terminals where vibration-resistant hardware is mandatory.

Field installers terminating wire runs in access control panels, intrusion alarm systems, and CCTV power distribution will find the funnel-entry barrel speeds prep work in retrofit scenarios where conductors must be stripped and crimped inside cramped enclosures. The vinyl sleeve's blue color-coding follows industry convention for 16–14 AWG terminals, reducing mis-identification during rough-in inspection or troubleshooting callbacks. 1/4" stud compatibility makes this terminal the standard choice for connecting field wiring to barrier strips in Altronix, Securitron, and Honeywell power supplies, as well as battery backup circuits in fire-alarm control panels where UL 864 and NFPA 72 mandate listed components. The UL 587H flammability rating ensures the insulation sleeve self-extinguishes if exposed to short-circuit arc flash, preventing propagation of fire inside listed enclosures—a requirement often verified during final inspection on commercial and institutional projects.

Unlike economy terminals that rely on brass barrels prone to stress-cracking under torque, Panduit's tin-plated copper construction and UL 587H insulation meet the listed-component requirement in NEC 110.3(B) and satisfy AHJ inspection on projects where general-purpose "hardware-store" terminals fail code review. The CT-tool compatibility ensures repeatable, inspector-grade crimps that pass pull-tests without the trial-and-error common with adjustable-force tools, reducing labor cost and callback risk on multi-building deployments where hundreds of field terminations must meet uniform quality standards.