Custom Critical Cables. Built to Spec.

Purpose built custom cable assemblies that deliver reliable power, data, and control connectivity for mission-critical applications. FSP manufactured, designed to customer specifications and tested for performance and reliability. Meeting stringent UL, IPC and MIL-SPEC requirements.

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Custom Cable Solutions

Industrial, Defense & Transportation Cables

Custom cable assemblies engineered for demanding environments with exposure to heat, vibration, moisture, and chemicals.

Underfloor Power Whips

Custom underfloor power distribution assemblies for data centers, manufactured to specification and ready for installation.

Custom Power Cable Assemblies

Heavy-gauge feeder cables, precision assemblies, and application-specific power distribution solutions.

Data Center Cable Management

Custom cable management assemblies engineered for new construction, expansions, and retrofit deployments.

Complex Wire Harness Manufacturing

High-count, multi-branch harnesses for sophisticated electromechanical systems

UL Certified Assemblies

Built and documented to UL workmanship standards

Capabilities

Hi-pot testing and continuity validation

Heavy-gauge cable fabrication and termination

COMPLETE DOCUMENTATION PACKAGES WITH EVERY SHIPMENT  WITH SERIALIZATION AND COMPONENT TRACEABILITY

Automated wire processing, cutting, stripping, termination, and preparation

Custom labeling and identification to customer specifications

Precision cable routing for high-density applications

UL-listed cable assemblies

Overmolded environmental connectors for harsh operating environments

IPC/WHMA-A-620 certified workmanship (Class 1, 2, and 3)

Integrated kitting for downstream assembly

Certifications

Engineered to the Highest Standards

The FSP Difference

UL 508A, ISO 9001 Certified
Quick Turn-Around of 
Design & Product
On-Site Prototyping, Design, Engineering & Manufacturing
135,000 Square Foot 
Dedicated Facility
ESD & Humidity Controlled Manufacturing Floor
Vendor Management Inventory (VMI) Programs
Long-Term Raw Material 
& Finished Goods Storage
Customer Consignment Programs
100% Functionality 
& Quality Testing
Engineering 
& Technical Support

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No matter where you are in the process, we can help you get over the finish line.

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Frequently Asked Questions

Does FSE manufacture UL-listed custom power cables?

Yes. FSE builds prefabricated, UL-listed power cables custom-built to facility specifications. Capabilities include heavy-gauge cable fabrication, automated wire prep and stripping, precision routing, and overmolded environmental connectors for harsh-condition deployments.

Does FSE build underfloor power whips for data centers?

Yes. FSE manufactures custom underfloor power whips engineered to specific data center specs, ready to install. Builds include full Hi-pot testing, continuity validation, custom labeling, and serialization to align with facility cable management standards.

What testing does FSE perform on critical power cable assemblies?

Every cable assembly is validated through Hi-pot isolation testing and continuity testing before shipment. Builds intended for defense, transportation, or outdoor applications also undergo environmental stress screening to verify performance under thermal cycling, vibration, and moisture intrusion.

Can FSE handle data center cable management for new builds and upgrades?

Yes. FSE plans, fabricates, and assembles cable management systems for both new data center builds and retrofit upgrades. Engineering teams work from your facility specs to design clean, installation-ready cable runs that minimize on-site labor and deployment time.