DNC-1159 Underwater Power Extension Cable
Professional Waterproof Power Extension Cable for Underwater Cameras, Monitors, Lights, and Marine Equipment
The DNC-1159 is a professional underwater power extension cable designed for reliable power delivery in demanding underwater environments. The cable is engineered for underwater cameras, lighting systems, underwater monitors, marine inspection systems, and other professional underwater electronics requiring stable external power.
Built with marine-grade materials and waterproof underwater connectors, the DNC-1159 provides safe and dependable long-distance DC power transmission for underwater applications including diving operations, marine research, offshore inspections, underwater cinematography, and industrial underwater systems.
Why Reliable Underwater Power Matters
Underwater systems often operate for extended periods where battery replacement is difficult or impossible. The DNC-1159 helps provide continuous external power while minimizing voltage drop and maintaining stable operation of underwater equipment.
Key Features
- Professional underwater waterproof power extension cable
- Designed for underwater cameras, monitors, lights, and marine systems
- Marine-grade waterproof cable construction
- Reliable long-distance underwater DC power transmission
- Corrosion-resistant underwater connectors
- Low voltage drop design for stable operation
- Flexible underwater cable for easy routing
- Designed for professional underwater environments
- Custom cable lengths available
Diagram A — How It Works
The DNC-1159 underwater power cable connects an external surface power source to underwater equipment through a compatible Dive And See waterproof bulkhead connector such as the DNC-2165.

Technical Specifications
| Product Type | Underwater Power Extension Cable |
| Application | Underwater DC Power Transmission |
| Cable Jacket Material | Marine-grade PVC |
| Depth Rating | 100 meters |
| Corrosion Resistance | Saltwater and freshwater resistant |
| Connector Type | Waterproof underwater power connector |
| Cable Flexibility | Flexible underwater routing design |
| Custom Lengths | Available upon request |
Compatible Dive And See Bulkhead Connectors
The DNC-1159 underwater power extension cable is compatible with Dive And See waterproof power bulkhead connectors designed for underwater camera housings and professional marine systems.
- DNC-2165 — M28 swivel waterproof power bulkhead connector for underwater monitor and recorder systems
Reliable Underwater Power Delivery
The DNC-1159 uses high-quality conductors designed to reduce voltage drop across longer underwater cable runs. This helps maintain stable operation of underwater cameras, monitors, lighting systems, and marine electronics.
Custom Cable Options
Custom cable lengths and alternate connector configurations are available for underwater inspection systems, underwater filming systems, marine research equipment, commercial diving operations, and industrial underwater power applications.
Important Tightening Warning
Before underwater use, always verify that waterproof connector coupling nuts are fully tightened by hand. Do not use pliers or excessive force. Improper tightening may result in water intrusion or equipment damage.
Applications
- Underwater camera systems
- Underwater lighting systems
- External underwater monitor power
- Marine inspection equipment
- ROV and underwater robotics
- Commercial diving systems
- Scientific underwater research
- Underwater cinematography
- Long-duration underwater operations
Compatible Equipment
- Underwater cameras
- Underwater HDMI and SDI monitors
- Underwater lights
- Marine telemetry systems
- ROV systems
- Underwater recorder systems
- External underwater battery systems
Frequently Asked Questions
What is the DNC-1159 used for?
The DNC-1159 is used to extend DC power underwater for cameras, monitors, lights, and other underwater electronic systems.
Is the DNC-1159 waterproof?
Yes. The cable is specifically designed for underwater operation using waterproof underwater connectors and marine-grade materials.
What depth is the cable rated for?
The DNC-1159 is rated for underwater operation up to 100 meters depth.
Can custom cable lengths be ordered?
Yes. Custom cable lengths are available upon request for specific underwater installations and applications.
What bulkhead connector works with this cable?
The DNC-1159 is compatible with the Dive And See DNC-2165 waterproof power bulkhead connector.
Can this cable be used in saltwater?
Yes. The cable and connectors are designed to resist corrosion in both freshwater and saltwater environments.
Why is low voltage drop important underwater?
Low voltage drop helps maintain stable operation of underwater electronics over longer cable distances and improves system reliability during extended underwater use.