PUPI Fiberglass Crossarms and Components

PUPI® fiberglass crossarms and components have been used successfully by leading electrical utilities around the world since 1990.  PUPI continues to earn a market-leading position by investing in Technology, Engineering and a Service Model tailored specifically to meet the needs of our utility customers.  Innovations such as a thermally bonded UV coating and internal torque resistant bushings make PUPI fiberglass components the industry standard for reliability and long-term return on investment.

Featured PUPI – Transmission and Distribution Products:

Transmission Products – Click here for more information

Transmission Products



The most comprehensive line of fiberglass transmission crossarms and braces available.

PUPI® is the leader in fiberglass crossarms for the electrical utilities industry. Available for H-frame structures, PUPI® transmission crossarms and braces are engineered for maximum strength and consistent performance in a wide-range of standard and made-to-order configurations. With exclusive SunGUARD® UV resistant coating and TorqueGUARD bushings, PUPI crossarms are proven to withstand the elements better than wood, steel or other composite beams – in any climate! Our PUPI H-Frame product line has been deliberately designed to be easy and intuitive to install.


Davit Arms

Superior Electrical Performance – PUPI® fiberglass composite davit arms provide a reliable solution for applications that historically use laminated wood or steel materials. The PUPI davit arm is also a great replacement for the standard steel davit because of the improved BIL & electrical margin offered by a fiberglass product – while also reducing faults from lightning, flashover, and wildlife.

The PUPI standard duty davit arm is an excellent fit for applications requiring medium to heavy conductor loads, or where grid hardening considerations are paramount.

Davit arms are designed for RUS TU-1, TU-1A, and TU-1AA type constructions of 4′ to 9′ lengths. A full range of mount and end-of-arm options are available to support your specific requirements.



Maximize the effectiveness of your lines.

Placing distribution lines on the same pole as transmission voltage circuits help Utilities maximize the efficacy of their poles and line designs. Fiberglass underbuild crossarms provide a reliable and maintenance free solution, which is also lightweight and easy to install.

PUPI® has a wide array of crossarms specifically designed around the requirements of monopole transmission structures, providing line designers the confidence of an engineered product with a 60+ year service life.

Standard RUS constructions including TS-1, TSS-1, and TPS-1 are available; as are a wide offering of custom configurations.


Lattice Tower/Truss.

Lattice Towers, also known as Trusses, have historically been made of steel. PUPI offers fiberglass components to replace steel which creates many benefits for Utilities.

  • Fiberglass is inherently non-conductive – safer for lineman and wildlife.
  • Non-Corrosive qualities of fiberglass maintain the integrity of the structure.
  • Superior B.I.L. helps to withstand surge voltages to protect line equipment in the system.
  • Fiberglass is significantly lighter than steel which makes for easier installation.
Distribution Products – Click Here for more Information

Distribution Products


Tangent Crossarms

Experience the durability and reliability of PUPI® tangent crossarms.

Pick one up and you’ll see and feel the difference compared to wood or other composite crossarms. PUPI® tangent crossarms weigh significantly less than wood crossarms—with up to six times the strength. A closed-cell polyurethane foam fill provides lightweight, field drillable stability that also prevents moisture and contamination from entering the crossarm. From our industry leading UV protection to our internal bushings, PUPI tangent crossarms are built to last.

This longevity provides a positive total cost of ownership over the life of the crossarm.

Available in centermount, braced, and alley arm applications.


Deadend Assemblies

Engineered to outperform – PUPI® deadends are engineered to outperform and outlast wood and other composite beams. With proven performance in every climate, PUPI deadend assemblies provide high strength and uniformity to give you the most reliable deadend available today. Our time proven technology assures that your deadend assembly will exhibit best-in-class weathering protection and superior longevity. Deadends are delivered fully assembled to your drill specifications and are ready to be installed.

Utilities large and small choose PUPI products for their strength, durability, and value. PUPI deadends are built for the long haul and provide ultimate confidence in your overhead distribution systems.


Mounts and Braces

Installation products – Mounts are welded structural steel, hot dip galvanized to ASTM A123 standard. Aluminum tangent mounts are available for corrosive environments. PUPI fiberglass braces are a stronger, more durable, and cost effective solution to wood.

You can also choose made to order lengths of PUPI® Fiberglass Crossarm Braces in standard duty and heavy duty. Fiberglass crossarm braces are made from pultruded solid fiberglass profiles and thermally bonded with our patented SunGUARD® coating for added UV protection. Brace ends are structural aluminum or galvanized structural steel.

Supporting Products

Equipment Arms & Mounts

For 3 phase mounting of cutouts, arrestors & cable terminators.  Mounts up to 6 pieces of equipment.

PUPI fiberglass is an engineered material with significant benefits over wood, steel or aluminum equipment mounts.

  • Features SunGUARD® UV resistant coating and TorqueGUARD™ bushings
  • Is non-conductive and light weight
  • Needs no harmful chemicals to protect from decay or insects
  • Does not shrink or lose strength over time
  • Will not rust and never needs re-coating – 100% maintenance free
  • Smooth surface sheds contaminants and does not absorb water
  • Additional equipment brackets may be added
  • Tested to support over 500# per phase position
  • Ships pre-assembled

Pole Top Extensions

Providing a cost-effective alternative to pole replacement – PUPI® Fiberglass Pole Top Extensions are used to extend the height of existing utility poles or replace damaged pole tops. These products possess all of the quality and features that make PUPI® the leading brand of fiberglass crossarms.

  • Light weight, strong 5″ X 5″ fiberglass beams
  • Adjustable, galvanized steel mounting bracket installs on pole diameters from 6″ to 10″
  • Outstanding UV protection with thermal-bonded SunGUARD® UV resistant coating
  • Holes reinforced with TorqueGUARD™ bushings
  • Sealed, UV resistant endcap
  • Filled with closed cell rigid foam to exclude moisture and contaminants
  • Brown or gray color available
  • Can be field drilled

Ground Wire Insulator Tubes

Ultimate Protection with Ground Wire Insulator Tubes – PUPI® fiberglass ground wire insulator tubes are made of high performance pultruded fiberglass to provide superior ground wire isolation and dielectric protection. Protected by SunGUARD® UV coating, our ground wire insulator tubes offer the same three levels of UV and weathering protection as PUPI tangent and deadend crossarms.

Ground wire insulator tubes are available in 10’ length increments and can be cut on-site to meet specific customer needs.



TorqueGUARD™ Bushings

Bushings and Crush Resistance – PUPI® fiberglass crossarms include internal bushings at all factory drilled hole locations. TorqueGUARD™ bushings prevent crush damage from overtightening during hardware installation.

Field Drilling

Agile Installation – PUPI® factory drilled holes are equipped with internal TorqueGUARD™ bushings that prevent the possibility of cracking crossarms by over-torquing hardware, but we understand that sometimes installation conditions necessitate field drilling. PUPI crossarms are filled with a closed-cell foam sealant which permits field drilling to make your installation as agile as you need it to be.Follow these guidelines to ensure consistent performance of your field drilled PUPI crossarms.


Summary Brochure – PUPI® fiberglass crossarms and components have been used successfully by leading electrical utilities around the world since 1990. PUPI continues to earn a market-leading position by investing in technology, engineering, and a service model tailored specifically to meet the needs of our utility customers. Innovations such as a thermally-bonded UV coating and internal torque-resistant bushings make PUPI fiberglass components the industry standard for reliability and long-term return on investment.

Usage and Installation Guidelines

With a service life of 60+ years, PUPI® crossarms are engineered to give you long-term confidence in the reliability of your grid. Following these guidelines
will ensure consistent performance of your PUPI crossarms.

SunGUARD® UV Technology

Weathering Protection – PUPI® Fiberglass Crossarms have three layers of UV protection to give you ultimate confidence in the longevity of your grid.

  • 60+ Years Service Life
  • No Fiber Blooming
  • Reduced Arc Tracking
  • No Handling Issues

Contact Rexel Utility for pricing, information and promotions:

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