Reliable Subsea Cable Assemblies for Underwater Environments

Our subsea cable solutions deliver secure and long-lasting electrical connection performance in challenging subsea conditions.

Every assembly is produced under strict quality assurance and inspection procedures to guarantee consistent reliability for your undersea projects.

  • ✔️ Custom-built subsea cable assemblies for underwater applications
  • ✔️ Waterproof, rubber molded and oil filled cable assembly options for harsh pressure and corrosion resistance
  • ✔️ ISO-certified manufacturing processes for safe operation in deep-sea applications
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reliable subsea cable assemblies for underwater environments

What are Subsea Cable Assemblies?

Subsea cable assemblies are specialized systems that integrate connectors and cables for reliable underwater connectivity. Each assembly integrates sealing components such as O-rings and epoxy barriers to maintain insulation under pressure. These assemblies support secure electrical and optical signal transfer through high-density pathways, combining precision termination and durable mold protection to maintain performance under extreme conditions.

Our Subsea Cable Assemblies Capabilities

Worker inspecting cable assembly components under a magnification tool

Precision Manufacturing Processes

At Cloom Tech, every subsea cable assembly is produced through controlled manufacturing processes using semi-automated crimping, soldering and overmolding systems. We fabricate each component to strict industry standards, ensuring dimensional accuracy and electrical integrity. Automated inspection equipment verifies continuity, torque and insulation resistance across every finished connector.

Our options for rubber-molded and oil-filled cable assemblies provide protection against corrosion, hydrostatic pressure and harsh environment exposure. We apply thermoplastic, neoprene and epoxy materials through precision mold tooling to create durable, waterproof joints that maintain reliability even under extreme conditions and offshore pressures.

Our dedicated team oversees every production run, validating client specifications and confirming compliance through third-party and internal inspection reports. Each batch undergoes mechanical stress and pressure testing before shipment.

We integrate a wide range of subsea connectors, wet-mate connectors and dry-mate interfaces into customer-specified subsea cable assemblies. Each bulkhead connector, female connector and penetrator is assembled with controlled compression and lock mechanisms to maintain stable underwater interconnect performance across mission-critical systems.

Every connector undergoes full electrical connectivity testing, leak detection and continuity verification. Dimensional checks confirm proper mate alignment and connection system fit. These rigorous practices ensure long-term reliability and consistent operation for our complex subsea assemblies across the marine and oil and gas sectors.

Cloom Tech operates under certified industry-standard frameworks including ISO 9001 and IPC/WHMA-A-620. Every subsea connector and underwater electrical connector follows RoHS and REACH environmental requirements. These systems guarantee consistent quality, safety and durability across global industry applications.

Why Choose Cloom Tech for Your Subsea Cable Assemblies?

expertise in harsh environment assemblies

Expertise in Harsh Environment Assemblies

Our facilities specialize in manufacturing assemblies for harsh environments, including rubber-molded, oil-filled and wet-mate configurations.

These solutions protect against corrosion and maintain electrical connection stability for marine applications and deep-sea applications.

global component sourcing

Global Component Sourcing

Cloom Tech partners with leading suppliers such as Molex, TE and Amphenol to procure industry-standard components for each underwater electrical connector and subsea connector build.

This global sourcing framework supports quality consistency, cost efficiency and dependable supply across all industry applications.

state of the art production equipment

State-of-the-Art Production Equipment

We apply automated crimping, soldering and continuity-testing machinery to maintain exact termination precision in every cable connector and subsea electrical connector.

Our state-of-the-art tools enhance throughput and traceability across every stage of manufacture.

full quality assurance and traceability

Full Quality Assurance and Traceability

Cloom Tech maintains complete process traceability from raw material procurement to final inspection.

Every underwater interconnect and connector receives a detailed quality assurance record that verifies compliance with customer and regulatory standards, reinforcing our commitment to dependable interconnect solutions.

dedicated engineering and support team

Dedicated Engineering and Support Team

Our experienced engineering team manages client specification reviews, validation and documentation, ensuring each underwater connector and subsea cable assembly meets project-specific parameters.

We also have an exceptional customer care team who are easily reachable and ready to handle any concerns.

Underwater Connector Types Used In Subsea Cable Assemblies

At Cloom Tech, we manufacture a wide range of underwater connectors and cable assemblies. Our production combines rubber, thermoplastic, and metal housings with exact-fit contacts for secure mating and dependable connection systems.

rubber molded
Rubber Molded

Rubber molded underwater connectors combine flexible sheathing with molded insulation to resist pressure and corrosion. These configurations are ideal for harsh environment exposure, supporting tight seals around conductors using neoprene and epoxy layers.

Each unit delivers long-term watertight performance within subsea cable assemblies and oil filled cable assembly structures.

rigid shell
Rigid Shell

Rigid shell subsea connectors feature metal or composite housings that protect internal electrical contacts from deformation in extreme conditions. They’re compatible with bulkhead connector and in-line formats, providing dependable retention and lock integrity.

This structure ensures consistent underwater electrical performance in both shallow and deep-sea applications.

inductive coupling
Inductive Coupling

Inductive coupling types transmit power or data through magnetic fields, avoiding direct contact between the mated halves.

These wet mate configurations maintain sealed barriers between the circuits, allowing safe operation in hazardous or offshore environments where exposed contacts aren’t practical.

electrical mateable
Electrical Mateable

Electrical mateable subsea connectors (including wet-mate connectors and dry-mate interfaces) enable reliable underwater engagement and separation without compromising insulation.

These designs use precision O-ring seals, guided female connector alignment and durable junction protection to preserve connectivity and reliability across marine applications.

Features of Subsea Cable Assemblies

watertight sealing

Watertight Sealing

Each underwater connector incorporates multi-layer sealing using epoxy, O-ring and rubber molded barriers that prevent fluid ingress.

These seals maintain insulation integrity through varying depths and pressures, ensuring that every unit performs safely in offshore and deep-sea applications.

corrosion resistance

Corrosion Resistance

All metal components are treated for corrosion protection to extend service life in marine and oil and gas environments.

Protective plating, neoprene coatings and thermoplastic insulation keep the connector resistant to saltwater and chemical exposure, supporting consistent conductivity over long operating cycles.

pressure tolerance

Pressure Tolerance

Our subsea connectors and underwater wire connectors maintain mechanical strength under continuous compression, vibration and impact.

Each subsea electrical connector undergoes hydrostatic pressure and inspection testing to confirm structural integrity for stable performance under extreme conditions.

emi shielding

EMI Shielding

Cloom Tech’s underwater electrical connectors are assembled with integrated shielding to prevent signal interference.

The cable assemblies combine conductive braiding and grounded shells to block electromagnetic noise, maintaining clear data transfer in high-speed electrical and optical systems such as fiber optic or hybrid cable assemblies.

Where are Subsea Cable Assemblies Used?

offshore oil & gas exploration
Offshore Oil & Gas Exploration

Our underwater connectors and oil filled cable assembly solutions support oil and gas platforms, drilling systems and hazardous subsea tools.

Each connector withstands hydrostatic pressure, corrosion and mechanical stress, maintaining uninterrupted electrical connection for power, sensor and control equipment in offshore operations.

marine renewable energy
Marine Renewable Energy

Subsea cable assemblies provide dependable interconnect solutions for wave, tidal and wind energy systems.

These underwater electrical connectors resist saltwater and vibration, enabling continuous power transmission and data collection in marine applications that demand high-density and reliability.

subsea communications
Subsea Communications

Our subsea connectors and cable assemblies deliver stable high-speed data transmission for subsea fiber networks and remote communication hubs.

Each fiber optic and fiber line integrates durable termination and precision junction alignment, ensuring minimal loss and consistent performance in deep-sea applications.

scientific research and oceanography
Scientific Research and Oceanography

Cloom Tech manufactures underwater connector and subsea electrical connector systems for oceanographic research, sensor arrays and environmental monitoring.

Built with hybrid optical and electrical pathways, these assemblies provide accurate data transfer and reliable operation across long-term deployments in extreme conditions.

Subsea Cable Assemblies Client Feedback

Hear from some of our happy customers:

FAQs

Subsea Cable Assemblies

What’s the difference between wet-mate and dry-mate connectors?

Wet-mate connectors can be safely connected and disconnected while submerged, making them ideal for mission-critical subsea operations and maintenance. Dry-mate connectors must be mated before submersion, providing a tighter watertight seal for permanent installations. Both connector types are available within our subsea cable assemblies based on your application and pressure requirements.

Yes, Cloom Tech manufactures electrical and optical or hybrid subsea connectors for data and power transmission. These connectors support fiber optic and optic links while maintaining consistent shielding against signal loss in high-speed underwater applications.

We use thermoplastic, neoprene and rubber molded compounds combined with metal shells for durability and corrosion resistance. Internal epoxy and sealing layers maintain pressure isolation, while contact pins and sockets are plated for long-term reliability in harsh and offshore environments.

No, we don’t produce standalone connectors. We manufacture custom subsea cable assemblies that integrate underwater connectors according to client specifications. Every assembly is built under ISO 9001 and industry-standard compliance for total performance assurance.

Depth capability depends on the connector type, sealing material and mold structure. Most underwater electrical connectors and oil filled cable assembly configurations are rated for deep-sea applications, maintaining structural integrity and connectivity under high hydrostatic pressure.

Subsea Cable Assemblies with High-Performance Underwater Connectors

Partner with Cloom Tech for expertly manufactured subsea cable assembly solutions built to perform in the most demanding subsea conditions.