IP67/IP68 Waterproof Cable Assembly Manufacturer

Waterproof cable assemblies are essential in environments where moisture, dust, vibration, chemicals, UV exposure, or outdoor weather conditions can affect electrical performance.

Yihetai designs and manufactures custom IP67 and IP68 waterproof cable assemblies for industrial automation, sensors, robotics, transportation systems, renewable energy equipment, LED lighting, marine electronics, outdoor control systems and other demanding applications.

With over 25 years of wire harness manufacturing experience, Yihetai provides complete cable assembly solutions from wire processing and connector assembly to overmolding, testing and mass production.

What Makes A Cable Assembly Truly Waterproof?

Many suppliers simply label a cable as “IP67” or “IP68”.

In reality, waterproof performance depends on several critical design elements:

Connector sealing structure
O-ring design
Overmolding quality
Cable jacket material
Shielding integration
Connector locking mechanism
Manufacturing consistency

A weak point in any of these areas can compromise the entire waterproof system.

IP67 vs IP68 Waterproof Rating

Many buyers use IP67 and IP68 interchangeably, but they are not identical.

Rating	Protection
IP67	Protected against temporary immersion
IP68	Suitable for continuous immersion under specified conditions

The required waterproof level depends on the application environment, installation location and expected service life.

IP67 vs IP68 Waterproof Cable Design Guide

IP67 and IP68 waterproof cable assemblies are used for different waterproof environments. Before selecting a waterproof cable structure, it is important to confirm whether the cable will be exposed to rain, splash, dust, washdown, temporary immersion or more demanding moisture conditions.

Waterproof Requirement	Typical Design Focus
IP65	Dust and water spray protection
IP67	Dust-tight and temporary immersion-related applications
IP68	More demanding moisture or immersion-related applications based on project definition
Outdoor Use	UV resistance, jacket material and connector sealing
Washdown Environment	Overmolding, sealing ring and chemical or oil resistance
Marine / Moisture Area	Corrosion resistance, tinned copper and sealed termination
Industrial Dust Area	Connector sealing, jacket durability and strain relief
Equipment Panel Interface	Panel-mount sealing, gasket design and cable routing

Waterproof cable design should not be selected only by connector appearance. The correct solution depends on the real operating environment, mating connector, cable jacket, sealing method and installation method.

Waterproof Sealing Method Selection

Waterproof performance depends not only on the connector IP rating, but also on sealing method, cable jacket compatibility, mating connector, assembly process and installation environment.

Yihetai can customize waterproof cable assemblies with different sealing methods according to your project.

Sealing Method	Best Used For
Overmolding	Connector sealing, strain relief and stable appearance
O-Ring Seal	Threaded waterproof connector mating
Potting / Glue Filling	Connector cavity sealing or special waterproof structure
Adhesive Heat Shrink	Terminal, joint or splice sealing
Grommet Seal	Cable pass-through and enclosure sealing
Rubber Boot	Terminal or connector protection
Waterproof Connector Housing	Outdoor plug-and-socket connection
Panel-Mount Sealing	Equipment enclosure and control box interface
Dual-Wall Heat Shrink	Better sealing and moisture protection when required
Sealed Junction Design	Multi-branch waterproof cable harness applications

For outdoor and harsh-environment cable assemblies, sealing design should be reviewed together with cable material, connector type, bending direction and installation space.

Waterproof Cable Material & Jacket Selection

Cable jacket material affects flexibility, abrasion resistance, oil resistance, outdoor durability and sealing performance. Yihetai can help review cable material according to your application environment.

Material Option	Design Consideration
PVC Jacket	General waterproof cable applications
PUR Jacket	Better abrasion and oil resistance for industrial use
TPE / TPU Jacket	Flexible and durable cable jacket options
Silicone Cable	Selected temperature or flexibility requirements
XLPE Jacket	Selected power or outdoor cable applications
Tinned Copper	Helps improve corrosion resistance in moisture environments
Shielded Cable	Used when waterproof and EMI protection are both required
UV-Resistant Jacket	Outdoor sunlight exposure applications
Flexible Cable	Used for moving equipment, robotics or routing requirements
Heavy-Duty Jacket	Used for rugged industrial or outdoor equipment

When waterproof performance and signal stability are both required, Yihetai can combine sealing design with foil shield, braid shield, drain wire and grounding structure. We also manufacture custom EMI shielded cable assemblies for EMI-sensitive equipment and harsh industrial environments.

How To Select The Right Waterproof Connector

Connector selection has a major impact on reliability and installation efficiency.

The most common industrial waterproof connector families are:

M8
M12
RJ45 Waterproof
Circular Connector
Deutsch DT
Custom Connector

For industrial sensors, actuators, I/O modules and automation equipment, Yihetai can also manufacture custom M8/M12 waterproof cable assemblies with straight, right-angle, male, female, panel-mount and overmolded connector options.

Yihetai Waterproof Cable Assembly Capabilities

Custom Designs for Your Application, Not Standard Catalog Parts Only

Yihetai is not limited to one fixed waterproof cable model. We manufacture customized cable assemblies according to customer drawings, samples, connector requirements and application conditions.

Our factory can support:

IP67 Waterproof Cable Assembly
IP68 Waterproof Cable Assembly
Waterproof Power Cable Assembly
Waterproof Signal Cable Assembly
Waterproof Sensor Cable Assembly
Waterproof DC Power Cable Assembly
Waterproof M8 Cable Assembly

Waterproof M12 Cable Assembly
Waterproof Automotive Wiring Harness
Waterproof Marine Cable Assembly
Waterproof Branch Wire Harness
Waterproof Panel Mount Cable Assembly
Custom Waterproof Cable Assembly
Custom Sealed Cable Assembly

Yihetai has experience in custom wire harnesses, overmolded cable assemblies, M12 waterproof cables, industrial wire harnesses, automotive wire harnesses and custom cable assemblies.

Key Features of Our IP67/IP68 Waterproof Cable Assemblies

Custom IP67 / IP68 waterproof cable assembly design
Waterproof connector, overmolding, O-ring, potting and adhesive heat shrink options
Power, signal, sensor, control, data and hybrid cable structures
PVC, PUR, TPE, TPU, silicone, XLPE and custom jacket options
Shielded cable, foil shield, braid shield and drain wire options
Connector-to-connector, open-end, terminal, panel-mount and branch structures
Custom cable length, wire gauge, connector type, polarity and pinout
Suitable for outdoor, industrial, automotive, marine, LED, sensor and OEM applications
100% tested for continuity, insulation, and waterproof performance

Where IP67 IP68 Waterproof Cable Assemblies Are Used

Custom IP67/IP68 waterproof cable assemblies are widely used in equipment where moisture protection, stable electrical connection and long-term durability are required.

Industrial Automation
Waterproof cable assemblies for sensors, actuators, control systems and industrial equipment.

Outdoor LED Lighting
Sealed power and signal cables for outdoor lighting, LED modules and lighting control systems.

Marine & Outdoor Equipment
Waterproof cables for moisture-exposed equipment, marine devices and outdoor control systems.

Automotive & Heavy Machinery
Sealed wire harnesses for lamps, cameras, sensors, machinery and rugged vehicle equipment.

Renewable Energy Systems
Outdoor cable assemblies for solar, battery, inverter and energy-related equipment.

Sensors & Control Devices
Waterproof sensor cables for measurement, monitoring, control and automation applications.

Security Cameras & Monitoring
Outdoor power and signal cables for CCTV cameras, DVR/NVR systems and monitoring equipment.

Robotics & Intelligent Equipment
Flexible waterproof cables for robots, outdoor devices and smart equipment.

More Than a Standard Waterproof Cable

Yihetai does not only supply standard waterproof connector cables. We help customers confirm the correct waterproof rating, connector type, sealing method, cable jacket, shielding structure, strain relief, branch design and testing requirement according to the actual application environment.

Whether your project is used in outdoor lighting, industrial automation, automotive electronics, marine equipment, renewable energy, security cameras, sensors, robotics or OEM devices, our team can support your custom waterproof cable assembly from sample review to mass production.

Send us your drawing, sample or specification for a fast quotation

Testing and Quality Control

For waterproof cable assemblies, visual inspection alone is not enough. Each product must meet electrical and mechanical requirements before use. Yihetai’s testing equipment includes wire sequence testers, terminal interface analyzers, impedance testers, tensile testers, harness electrical performance testers and wire harness testers.

Available inspection items include:

Continuity test
Wire sequence test
Insulation resistance test
Withstand voltage test
Terminal crimping inspection
Pull force test
Appearance inspection
Dimension inspection
Connector orientation check
Customer-specific inspection requirements

Yihetai operates under ISO9001 quality management and has UL and IATF16949 certification, which is important for customers in industrial, automotive, equipment and export markets.

Why Choose Yihetai

With 25+ years of experience, Yihetai serves industrial, automotive, energy, medical, appliance, and electronic equipment customers with reliable custom wire harness solutions

Yihetai supports custom IP67/IP68 cable assembly design, connector matching, overmolding, sealing, and final testing for reliable waterproof performance

Our engineers help evaluate cable structure, connector type, pin layout, wire gauge, and assembly method to match your application requirements

Yihetai supports low-volume trial orders, engineering samples, and high-volume OEM wire harness production to meet different project needs

Each cable assembly can be inspected, tested, and labeled according to your quality standards and traceability requirements

As a China-based wire harness manufacturer and cable assembly supplier, Yihetai provides cost-effective production, stable lead times, and responsive engineering support

Frequently Asked Questions

What is the difference between IP67 and IP68 waterproof cable assemblies?

IP67 assemblies are dust-tight and withstand 1m immersion for 30 minutes, ideal for rain or splashes. IP68 goes further, handling continuous deeper submersion (e.g., 3m+ per specs), suiting underwater or high-pressure uses. Yihetai customizes both with overmolding or potting, tested to exceed standards, ensuring reliability in marine, industrial, or automotive apps. We match exact ratings to your environment for optimal performance and cost.

Can you produce custom IP67/IP68 cable assemblies based on my drawing?

Yes, as a custom cable assembly supplier, we manufacture from drawings, samples, or specs. Our team reviews for feasibility, suggests improvements like better sealing or shielding, and prototypes in 5-7 days. We’ve handled thousands of OEM wire harness projects, covering wire types, lengths, and connectors like M12 or Deutsch.

What industries do your IP67/IP68 waterproof cable assemblies serve?

Primarily harsh-environment sectors: industrial automation, marine, automotive, renewables, and defense. Examples include sensors in wet factories, EV underwater connectors, or solar farm wiring. Our custom wiring solutions adapt to specifics, with materials resisting UV, chemicals, and vibration for long life.

What testing do you perform on waterproof cable assemblies?

Every unit undergoes 100% electrical testing: continuity, insulation resistance, high-pot (up to 5kV), crimp pull-force, and IP-rated immersion. Additional salt spray, thermal cycling, and vibration per customer needs. This guarantees field reliability, backed by ISO/IATF certifications.

What is your minimum order quantity for custom IP67/IP68 assemblies?

Prototypes start at 1-10 pieces for testing; Production MOQ is 100-500 based on complexity. Flexible for startups or high-volume OEMs. Fast quotes within 24 hours, with volume discounts as your wire harness manufacturer partner.

Need a custom IP67/IP68 waterproof cable assembly for your application?

Contact Yihetai today for fast support on prototype development, technical evaluation and quotation