Precision-Engineered UL Compression Lugs, Mechanical Lugs & Terminals

World-Class Manufacturing by HEX. Superior North American Distribution by XIS.

Xtreme Infrastructure Solutions (XIS) is the definitive source for high-performance electrical lugs and cable terminal ends in North America. Every lug in our portfolio is manufactured by HEX — a globally recognized manufacturer known for precision tooling, advanced metallurgy, and rigorous quality systems. XIS delivers these products with unmatched speed, complete documentation, and hands-on technical support — giving electrical engineers, contractors, and procurement teams a single, reliable supply chain partner they can trust on every project.

Engineered for Performance. Built for Reliability.

XIS carries the full HEX lug portfolio — copper, aluminum, bi-metallic, and specialty configurations — engineered to meet or exceed international standards including UL, DIN, IEC, ANSI, and Australian Standards. This is not a curated selection. It is a complete product line designed to cover every conductor type, every voltage class, and every installation environment encountered in modern electrical infrastructure.

The portfolio spans from standard tubular compression lugs to high-voltage terminals rated for 33kV service, mechanical lugs for field maintenance, forged lugs for heavy-duty applications, and sector-shaped cable lugs for shaped conductor cables. Whether the application is a commercial panel board or a utility-scale substation, manufactured to specification, ready to ship.

Every product ships with full traceability documentation, material certifications, and compliance records. There are no gaps in the paper trail. XIS treats documentation as a deliverable, not an afterthought — because inspectors, engineers, and quality teams require it, and critical infrastructure demands it.

Complete Lug Portfolio

Copper Tubular Compression Lugs

The foundation of any electrical termination program. XIS stocks the full HEX copper tubular compression lug portfolio — standard, economy, bell mouth, short barrel, long barrel, extended palm, narrow palm, and special configurations — covering every copper conductor termination requirement from light control wiring to heavy industrial feeders. All copper lugs are manufactured from high-conductivity electrolytic copper with precision-machined barrels, ensuring minimal resistance and maximum current-carrying capacity.

Available in one-hole, two-hole, and four-hole NEMA standard mounting pad configurations to accommodate a wide range of conductor sizes, installation clearances, and equipment termination requirements. Every lug is UL Listed, color-coded, and clearly marked with wire size, die index, and crimp location for inspectable, repeatable installations.

Standard Crimping Type Copper Tubular Lugs

High-conductivity electrolytic copper tubular cable terminal ends with precision-machined barrels and one-hole NEMA standard mounting pads. Manufactured from 99% IACS copper to BS 6017, electro-tinned to BS 1872 for corrosion resistance and low contact resistance. Each lug is clearly marked with wire size, die index, and color-coded to industry standards for fast identification and tooling match. Available from #8 AWG through 1000 MCM. Internally beveled barrel end ensures smooth conductor insertion without strand damage.

Two-Hole Copper Tubular Lugs

Standard copper tubular construction with two-hole NEMA mounting pads for enhanced mechanical stability and anti-rotation on bus bar and equipment pads. Essential for high-vibration environments and heavy-current applications where single-bolt connections are insufficient. Same high-conductivity copper construction and electro-tin finish as the standard range.

Economy Range Copper Tubular Lugs

Cost-effective copper tubular terminal ends engineered for applications where full heavy-wall construction is not required. Lighter wall thickness reduces material cost while maintaining reliable electrical performance for commercial and light industrial installations. Available across standard wire sizes with one-hole mounting pads.

Bell Mouth Copper Tubular Lugs

Copper tubular lugs featuring a generously flared bell mouth barrel entry that guides conductor strands smoothly into the barrel — preventing strand cut-off, fold-back, and insertion damage. Particularly recommended for fine-stranded, flexible, and DLO (diesel locomotive) cable where conductor entry is critical to connection integrity. Available from 10 mm² to 300 mm² with optional bell mouth on any standard configuration.

Four-Hole Copper Tubular Lugs

Heavy-duty copper tubular terminal ends with four-hole NEMA mounting pads for maximum mechanical security on large equipment pads, bus bar, and switchgear connections. Available in standard and economy range configurations. Designed for applications requiring the highest level of mechanical retention — substations, large transformers, and generator terminations.

Copper Compression Lugs — Short Barrel

Compact short-barrel copper compression lugs for standard installations where barrel length is not critical. Manufactured from seamless high-conductivity electrolytic copper tubing with heavy-duty wall thickness. Electro-tin plated. Available in one-hole and two-hole configurations from #8 AWG to 1000 MCM. Color-coded to industry standards. UL Listed. Marked with proper number and location of crimps for inspectable, repeatable installations.

Copper Compression Lugs — Long Barrel

Extended-length barrel copper compression lugs providing additional crimp zone length for enhanced pull-out strength and lower contact resistance. Long barrel design accommodates multiple crimps for maximum conductor retention in critical applications. Available in one-hole and two-hole configurations from #8 AWG to 1000 MCM. Electro-tin plated, color-coded, UL Listed. Recommended for high-vibration, high-current, and mission-critical installations.

Copper Standard Wall Starter Terminal Ends

Standard wall thickness copper terminal ends designed for motor starter, contactor, and control equipment terminations. Compact profile with precision-machined barrel and mounting pad optimized for OEM equipment connections. UL Listed. Available across standard wire ranges with tolerances per UL FUS.

Extended Palm Copper Lugs (2-Hole)

Copper cable terminal ends featuring an extended-length palm with two mounting holes for applications requiring additional reach or offset from the conductor entry point. Enables termination on deeply recessed or offset equipment pads without cable stress or bending.

Narrow Palm — Circuit Breaker Terminal Ends

Specialized copper tubular terminal ends with a narrowed palm profile designed specifically for circuit breaker and molded case switch terminations where standard palm widths cannot fit within the equipment's terminal chamber. Precision-dimensioned to match OEM breaker pad specifications.

Long Palm Long Barrel Cable Terminals

Maximum-length palm and barrel configuration for applications requiring both extended reach and enhanced crimp zone. Combines the benefits of extended palm geometry with long barrel conductor retention. Engineered for deep switchgear cabinets, transformer bushings, and installations with significant offset between conductor entry and termination point.

Special Cable Terminal Ends

Custom-engineered cable terminal ends manufactured to project-specific requirements — non-standard palm widths, hole patterns, barrel dimensions, angles, and finishes. HEX's precision CNC tooling and flexible manufacturing enable rapid production of special terminal configurations for OEM, utility, and industrial project requirements.

High Voltage Copper Terminals (33kV Class)

Designed for switchgear, transformer, and substation termination at voltages up to 33kV. Available in single-hole and double-hole configurations with enhanced creepage and clearance distances engineered specifically for high-voltage environments.

These terminals are built to perform in the most demanding points of the power delivery chain — where reliability is non-negotiable and failure is not an option. Every unit meets stringent dimensional and electrical performance standards.

Tinned Copper Lugs

Electrolytic tin plating provides a robust corrosion-resistant barrier — critical for marine, coastal, offshore, and chemically aggressive environments. XIS offers tinned copper lugs with and without inspection holes, including DIN 46235 compliant options for international project specifications.

Long barrel variants are available for applications requiring extended crimp zones, ensuring reliable conductor retention in high-vibration or high-thermal-cycling environments.

Aluminum Compression Lugs

DIN 46329 compliant aluminum lugs engineered for aluminum conductor termination. Lightweight, corrosion-resistant construction makes these lugs the standard choice for overhead line connections, aluminum busbar terminations, and distribution-class cable accessories.

Heavy-duty long barrel variants are available for XLPE cable applications, providing the extended barrel length required for reliable compression on cross-linked polyethylene insulated conductors.

Bi-Metallic Lugs (Aluminum-Copper)

Friction-welded construction bonds an aluminum barrel to a copper palm, enabling safe aluminum-to-copper transitions without introducing galvanic corrosion risk at the connection point. This is the correct engineering solution wherever aluminum conductors must terminate on copper busbars or equipment terminals.

Available across multiple cross-section ranges to support utility distribution, industrial feeders, and renewable energy collector circuits.

Mechanical Lugs & Connectors

XIS supplies a comprehensive portfolio of mechanical lugs, terminals, connectors, and tap devices manufactured by HEX — covering every bolted-connection application from light industrial panel work to heavy-duty utility infrastructure. Every mechanical product in the XIS catalog is engineered for wide conductor range-taking, fast single-wrench installation, and reliable long-term performance under vibration, thermal cycling, and environmental exposure. All products are UL Listed to UL 486A-486B and CSA Certified where applicable.

Split-Bolt Connectors

High-copper alloy split-bolt connectors for tapping, splicing, and grounding applications. Available in standard, universal (copper and aluminum rated), and tri-tap configurations accommodating two or three conductors simultaneously. Conductor range from #6 AWG to 750 kcmil. Matching insulating covers available for full insulation of completed connections. Ideal for service entrance, branch circuit taps, and grounding connections.

Tap Connectors

Compact mechanical tap connectors for making secure branch connections from a run conductor without cutting the main line. Available in standard copper, universal copper/aluminum, and watertight configurations. Designed for overhead, underground, and direct-burial service. Shear-head bolt designs provide consistent, repeatable installation torque without torque wrenches.

Parallel Clamps

Parallel-groove clamp connectors for joining two parallel conductors of equal or unequal size. Available in copper-only and universal copper/aluminum dual-rated configurations. Heavy-duty body construction with multiple clamping bolts ensures even pressure distribution across the conductor contact surface. Suitable for main-to-tap, splice, and equipment grounding connections.

Insulation Piercing Connectors

Fully insulated piercing connectors for making tap connections on insulated conductors without stripping. Shear-bolt activation provides precise, repeatable clamping force. Rated for copper and aluminum conductors. Designed for secondary distribution, street lighting circuits, and service entrance applications where conductor exposure must be minimized.

Pressure Bar Terminals

High-copper alloy terminals featuring a pressure bar mechanism that equalizes clamping force across the conductor, preventing set-screw damage to cable strands. Available in tin-plated and unplated configurations. One-hole and two-hole mounting pads with straight and offset tongue options. Conductor range from #14 AWG to 750 kcmil. UL Listed to UL 486A-486B. Especially suited for panelboard, switchgear, and terminal block terminations.

Compact Set-Screw Terminals

Economical, compact high-copper alloy terminals for joining a wide range of cable to equipment pads or terminal blocks. Single set-screw clamping with one-piece tongue-and-body design. Available from #14 AWG to 500 kcmil. Fast installation with one wrench. An excellent choice for light industrial and commercial applications where space is limited.

Angle-Adjustable Terminals

High-copper alloy terminals with clamping elements adjustable to multiple angles for non-perpendicular cable entries. One-wrench installation. Available in single-hole and two-hole pad configurations from #8 AWG to 500 kcmil. Eliminates cable stress and bending at connection points where conductors approach at angles.

Heavy-Duty Clamping Terminals — Single & Twin Element

Heavy-duty, compact, high-copper alloy terminals engineered for joining a wide range of cable to equipment pads, bus bar, or distribution equipment. Single clamping element models provide fast one-wrench installation for standard applications. Twin clamping element models secure the joint against vibration and flexing — particularly recommended for use on extra-flexible cable and in environments subject to mechanical stress. Conductor range from #14 AWG to 1500 kcmil. Available in one-hole, two-hole, and four-hole NEMA standard stud configurations. UL Listed to UL 486A-486B.

Multi-Conductor Terminals

Terminals designed to accept two or three conductors simultaneously in a single body, reducing panel space and installation time. Available in 2-conductor and 3-conductor configurations. High-copper alloy construction with independent clamping elements for each conductor position. Ideal for branch circuit consolidation and multi-wire termination in panelboards.

Side-Entry Terminals

Mechanical terminals with side-entry conductor ports for applications where top-entry access is restricted. Available in 1-conductor and 2-conductor configurations. Compact footprint allows installation in tight spaces, junction boxes, and confined enclosures where conventional top-entry lugs cannot be used.

Lay-In Style Terminals

Open-body lay-in terminals that accept conductors from the side without threading through a barrel — enabling faster installation and easier conductor changes. Available in copper-only and dual-rated copper/aluminum configurations. Conductor range from #14 AWG to 750 kcmil. Ideal for panelboard, gutter, and wireway applications where rapid termination is required.

Mechanical Splice & Reducer Connectors

In-line splice connectors and reducer connectors for joining two conductors of equal or unequal size without compression tooling. High-copper alloy construction with set-screw clamping. Available from #14 AWG to 750 kcmil. Eliminates the need for compression dies and tooling in field splice applications.

Shear-Bolt Mechanical Connectors

Mechanical connectors featuring shear-head bolts that break off at a pre-engineered torque value, ensuring consistent clamping force without requiring a calibrated torque wrench. Available in copper and dual-rated copper/aluminum configurations for tap, splice, and termination applications. Designed for utility, industrial, and field service environments where repeatable installation quality is critical.

Dual-Rated Set-Screw Terminals (Copper/Aluminum)

AL9CU dual-rated set-screw terminals engineered for use with both copper and aluminum conductors. One-piece aluminum alloy body with tin plating for corrosion resistance and low contact resistance. Available in straight and offset tongue configurations. Conductor range from #6 AWG to 800 kcmil. Widely specified for transformer, switchgear, and distribution equipment termination.

Transformer Lug Kits

Complete transformer termination kits containing pre-selected dual-rated set-screw terminals and all required mounting hardware — cap screws, hex nuts, and conical/Belleville washers for proper torque-to-pressure performance. Available in four kit configurations covering single-phase and three-phase transformers from 15 kVA to 500 kVA. Hardware is packaged separately to prevent loss prior to installation. Eliminates field selection errors and ensures code-compliant transformer connections.

Mechanical Adapters

Mechanical pad adapters for converting one stud pattern or pad configuration to another. Available in straight and offset configurations. Enables connection of standard lugs to non-standard or oversized equipment pads without special ordering. High-strength alloy construction rated for full conductor ampacity.

Insulated Gutter Taps

Wide-range parallel clamp and insulating cover assemblies for industrial and multi-story building applications. Tin-plated aluminum body with flexible insulating cover fingers that conform to conductor diameter, fully insulating the completed connection. Dual-rated for copper and aluminum. Only six connectors cover the entire #14 AWG to 750 kcmil range. Rated 600V. Eliminates taping and reduces installation time.

Riser Taps

Underground-to-aboveground riser tap connectors for transitioning between underground service conductors and overhead or building electrical systems. Dual-rated copper/aluminum construction. Suitable for meter base, service entrance, and distribution riser applications.

Splice Kits — Above-Grade, Underground & Direct Burial

Complete splice kit assemblies for above-grade, underground, watertight, and direct-burial conductor splicing. Kits include mechanical connectors, insulation components, and moisture-sealing elements for a complete, code-compliant splice. Available for copper and aluminum conductors. Direct-burial rated kits are designed for permanent earth-contact installations without additional enclosures. Submersible connector options available for continuously wet or flooded environments.

Clear Insulated Multi-Tap Connectors

Fully insulated multi-tap connectors featuring clear plastisol insulation for visual confirmation of proper conductor insertion. UL Listed to UL 486A-486B and CSA Certified. AL9CU dual-rated for copper and aluminum conductors. Configurations include in-line splice reducers, single-sided entry taps, double-sided entry taps, and mounted taps with 2 to 14 ports. Conductor range from #14 AWG to 750 kcmil and #14 AWG to 535 DLO flex conductor — no ferrules required for flexible conductors. Conductor ports pre-filled with oxide inhibitor. Color-coded port and screw caps for quick identification of maximum conductor size and torque values. Operating temperature range −40°C to 135°C. Rated 600V. UV-rated black insulation versions available for outdoor and exposed installations.

Configurable Power Distribution Blocks

Modular, configurable power distribution blocks for panelboard, switchgear, and industrial control applications. Dual-rated copper/aluminum construction. Available in standard and double-wide configurations, with box-to-stud, stud-to-stud, and lay-in style termination options. Code-rated and flex-rated models accommodate both standard Class B/C stranded conductors and flexible DLO conductors. Designed for rapid assembly and field configuration of custom power distribution arrangements.

Sector-Shaped Cable Lugs

Purpose-built for 3-core and 4-core sector-shaped aluminum conductors commonly used in power distribution and industrial cable systems. These lugs match the non-circular conductor geometry precisely, ensuring full-surface contact and optimal current transfer.

Designed for medium-voltage distribution cables where sector conductors are the standard construction.

Forged Lugs

Tinned copper and aluminum forged cable lugs deliver superior mechanical strength and current-carrying capacity compared to standard tubular designs. The forging process produces a denser, more uniform grain structure — translating directly to higher pull-out strength and better long-term electrical performance.

Specified for heavy-duty applications where maximum durability and conductor retention are critical requirements.

Specialty Terminals

XIS has a comprehensive range of specialty terminal ends: ring type, fork type, pin type, flat type, snap-on, reducer pin type, and offset tongue terminals. Insulated and non-insulated options are available across the full range.

Specialty configurations include narrow palm terminals, circuit breaker lugs, and Australian Standard compliant designs — ensuring coverage for both domestic and international project specifications.

Certified to Perform. Trusted to Protect.

For buyers, UL listing means third-party verified safety, assured code compliance, immediate inspector acceptance, and documented liability protection. It eliminates the risk of project delays caused by non-compliant material and provides the audit trail that quality programs require.

Beyond UL, the XIS product line is manufactured to comply with a comprehensive range of international standards:

Material certifications — including MILL test reports, RoHS compliance documentation, and full material traceability records — are maintained for every product lot. XIS provides complete compliance documentation packages with every order, ensuring that project files, quality audits, and inspection records are never missing a link in the chain.

Powering Critical Infrastructure

XIS lugs are specified and installed across the full spectrum of electrical infrastructure — wherever reliable conductor termination is a mission-critical requirement.

The XIS Advantage

Choosing a lug supplier is an infrastructure decision. XIS is built to be the partner that eliminates risk, reduces lead times, and delivers complete — every time.

HEX Manufacturing Excellence World-class production facilities equipped with advanced metallurgy capabilities, precision CNC tooling, and ISO-certified quality management systems. Every lug reflects decades of manufacturing expertise and continuous process refinement.

UL-Listed Product Portfolio Every lug in the XIS catalog meets UL requirements — no exceptions, no substitutions. This is a portfolio-wide commitment, not a selective certification strategy.

Complete Product Breadth One source for copper, aluminum, bi-metallic, mechanical, forged, and specialty lugs — from 6 AWG to 2000 MCM. One purchase order. One vendor qualification. Full coverage.

Fast North American Delivery Strategically positioned U.S. inventory with rapid fulfillment capabilities. Days, not weeks. XIS maintains stock depth on high-demand SKUs to eliminate project delays caused by material shortages.

Full Documentation on Every Order Material certificates, UL documentation, test reports, and traceability records ship with every delivery. Documentation is a standard deliverable — never an upcharge, never a follow-up request.

Technical Support XIS engineers provide specification assistance, product selection guidance, and application support. When the project demands more than a catalog, XIS delivers the expertise to back it up.

Competitive Pricing Direct manufacturer partnership with HEX eliminates intermediary markup without compromising product quality, documentation, or support. Premium performance at a rational price point.

Ready to Upgrade Your Lug Supply Chain?

Whether you are sourcing for a single project or establishing a long-term supply agreement, XIS is ready to deliver. Our team provides fast quoting, technical consultation, and product samples — so you can evaluate quality firsthand before committing to volume.

Request a quote. Schedule a technical consultation.

Contact XIS today | xtremeis.com

XIS — Precision Delivered.