What is AMP Cable?
AMP cable, which stands for alternative marine power cable, is a high-voltage cable or a medium-voltage cable designed in such a way that it can provide power to vessels while they are in the process of berthing. Its main purpose is to deliver safely and steadily the electric current from the shore side at the port to the main distribution system on the ship through a shore connection, thus avoiding the use of engine-driven power at the pier by ships.
Usually rated at 8.7/15kV or 6/10kV, Honest shore power connection cable can sustain the high-power ratings of large ships like cargo ships, tankers, and cruise ships. It also shows outstanding resistance against marine environments, including sustained exposure to oil contamination, ultraviolet radiation, humidity, and salt spray, while also tolerating frequent usage and lifting in cable reel systems.
- High Power Transmission Efficiency
- Superior Durability
- Excellent Safety Performance
- Easy Installation and Maintenance
- Cost-Effective Long-Term Use
Detailed Explanation of Cable Structure and Materials
Beyond basic electrical parameters, the physical structure of AMP cables is critical to their longevity and reliability. When selecting a cable, pay attention to the following details:
Conductor Structure: To ensure exceptional flexibility, choose fine-stranded tinned copper conductors compliant with IEC 60228 class 5 standards. This construction withstands tens of thousands of repeated bends on cable reels without fracture.
Anti-Torsion and Reinforcement Design: For long cables (e.g., exceeding 100 meters) or automatic reel applications, Honest AMP cables feature anti-torsion stranding (typically achieved through layered counter-rotating conductor strands) and incorporate aramid yarn or high-strength synthetic fiber reinforcement layers to withstand significant tensile forces and prevent twisting during use.
Polyurethane sheath: Provides exceptional abrasion resistance (typically 5-8 times that of rubber), cut resistance, and hydrolysis resistance, suitable for demanding deck environments with high friction.
Typical Applications of AMP Cable
Honest AMP cables are widely used in ports and on different types of ships. They connect shore power to vessels safely and efficiently. Typical applications include:
- Shore power systems at commercial ports, providing electricity while ships are at berth
- Cruise ships, container ships, tankers, and other large vessels
- Ship-side AMP connection boxes, allowing quick and safe cable connection
- Port electrical distribution networks for high-voltage supply
- Green port upgrade projects, supporting low-emission and sustainable operations
AMP cables are essential for high-power shore-to-ship connections and help ships reduce emissions while docked.
International Certification & Compliance
Honest AMP cables comply with international standards and operate safely and reliably. Key standards include:
- IEC 60092 – This is the international standard for marine cables
- IEC/IEEE 80005-1 – High voltage shore connection (HVSC) standard
- ABS, BV, DNV, RINA, CCS – Type approval certificates
- MARPOL Annex VI IMO – Rules for air pollution control in shipping
When vessels use Honest AMP cables, these enable ships to connect safely to ports across the world and help with environmental standards.
Why Is AMP Cable Important?
Environmental Benefits
When vessels connect to shore power using AMP shore power cables, electricity is supplied from the onshore grid, which often utilizes renewable energy sources such as solar, wind, or hydroelectric power. This eliminates the need for ships to burn fuel while docked, thereby preventing emissions of pollutants like SOx, NOx, PM, and CO₂. Consequently, air pollution around ports is significantly reduced.
Noise Reduction
Berthing with an AMP cable cuts emissions and noise by shutting down auxiliary engines. Using AMP cable for the supply of shore power allows for a more peaceful and comfortable atmosphere among crew members, port staff, and local people – a major reason why internationals are so actively encouraging shore power in the majority of their ports.
Regulatory Compliance
An increasing number of ports have mandated the use of cold ironing cables for shore power access by berthing vessels to comply with IMO MARPOL Annex VI and local regulations. For instance, ports in California and the European Union have established clear standards for shore power access. Utilizing AMP cable helps vessels pass environmental inspections smoothly and avoid fines for non-compliance.
Seamless Integration
AMP cable is designed for high compatibility, enabling seamless integration with the port’s high-voltage shore connection system and the vessel’s main power distribution system. Its high flexibility and standardized interfaces ensure stable, secure power transmission while reducing risks and complexity during connection.
Cost Savings
The cost of using shore power is typically significantly lower than the fuel expenses incurred by a vessel’s own power generation. Additionally, shutting down auxiliary engines extends their service life and reduces maintenance costs. In the long term, the application of AMP shore power cables delivers substantial economic benefits for vessel operations.
- Technical Features of AMP Cable
- AMP Cable Specification
- AMP Cable vs Conventional Marine Cable
| Cable Type | CADEUR(AMP) |
| Voltage Rating | 6/10 kV, 8.7/15 kV |
| Conductor | Flexible Tinned copper wire, class 5 |
| Insulation | EPR |
| Sheath | Abrasion and UV-resistant TPU |
| Shielding | Tinned Copper wire braided |
| Flexibility | Good, designed for cable reel systems |
| Voltage: 6/10(12)kV or 8.7/15(17.5)kV | |
| 3×25+1×16+(3~12)x(1,5~2,5)C+6×62,5/125 | 3×25+2×16/2+(3~12)x(1,5~2,5)C+6×62,5/125 |
| 3×35+1×25+(3~12)x(1,5~2,5)C+6×62,5/125 | 3×35+2×25/2+(3~12)x(1,5~2,5)C+6×62,5/125 |
| 3×50+1×25+(3~12)x(1,5~2,5)C+6×62,5/125 | 3×50+2×25/2+(3~12)x(1,5~2,5)C+6×62,5/125 |
| 3×70+1×35+(3~12)x(1,5~2,5)C+6×62,5/125 | 3×70+2×35/2+(3~12)x(1,5~2,5)C+6×62,5/125 |
| 3×95+1×50+(3~12)x(1,5~2,5)C+6×62,5/125 | 3×95+2×50/2+(3~12)x(1,5~2,5)C+6×62,5/125 |
| 3×120+1×70+(3~12)x(1,5~2,5)C+6×62,5/125 | 3×120+2×70/2+(3~12)x(1,5~2,5)C+6×62,5/125 |
| 3×150+1×95+(3~12)x(1,5~2,5)C+6×62,5/125 | 3×150+2×95/2+(3~12)x(1,5~2,5)C+6×62,5/125 |
| 3×185+1×95+(3~12)x(1,5~2,5)C+6×62,5/125 | 3×185+2×95/2+(3~12)x(1,5~2,5)C+6×62,5/125 |
| 3×240+1×120+(3~12)x(1,5~2,5)C+6×62,5/125 | 3×240+2×120/2+(3~12)x(1,5~2,5)C+6×62,5/125 |
| Feature | AMP Cable | Conventional Marine Cable |
| Rating Voltage | 6/10kV, 8.7/15kV | 150/250V, 0.6/1kV |
| Application | Shore power, cable reels | Internal shipboard wiring |
| Flexibility | Highly flexible | Standard |
| Compliance | IEC/ISO/IEEE 80005-1 | IEC 60092-3 series |
Selecting the correct AMP cable is crucial for your needs. The right cable not only ensures the safe and stable operation of your shore power system but also reduces maintenance and downtime costs.
First, determine the voltage rating. Most ports and vessels utilize 6/10 kV or 8.7/15 kV high-voltage shore connection cables. Select based on your vessel type and shore power system requirements.
Second, consider cable length and flexibility. An appropriate length minimizes unnecessary strain, while good flexibility accommodates frequent winding and unwinding on cable reels.
Interface standards are equally critical. To ensure seamless connectivity across global ports, verify the cable complies with IEC/IEEE 80005-1 standards and opt for products certified by ABS, BV, RINA, DNV, or CCS. These shore power cables prevent compatibility issues and enhance operational reliability.
Finally, don’t overlook installation methods. Whether using cable reels, manual handling, or fixed installations, select structural types that match your actual conditions. This not only enhances safety but also extends the service life of AMP cables.
AMP cables are medium-to-high voltage cables, and even minor negligence during daily use can compromise system safety. Therefore, proper operation and maintenance are crucial for you.
In daily use, you should regularly inspect the cable’s sheath, shielding layer, and connectors to ensure they remain intact, preventing corrosion caused by salt spray and moisture. Additionally, keeping AMP sockets and interfaces dry and clean is key to ensuring the long-term reliable operation of shore power cables.
When using cable reels, observe the specified bending radius to prevent repeated folding and damage. Furthermore, conducting regular insulation tests allows for early detection of potential risks, safeguarding the security of your high-voltage power supply system.
Adhering to the manufacturer’s maintenance guidelines is the simplest way to extend cable lifespan. Good maintenance practices not only reduce downtime but also help save repair costs, keeping your AMP shore power cable in optimal condition at all times.
Even with high-quality AMP cables, frequent deployment and retrieval in harsh port environments can lead to common failures. Understanding these issues and implementing basic countermeasures can troubleshoot the AMP cable, minimize downtime, and extend cable lifespan. Below are three typical scenarios and corresponding recommendations.
Oxidation or Electrochemical Corrosion of Connectors
In high-humidity, salt-fog environments like ports, poor connector sealing or excessive insertion/removal can cause plating wear and copper exposure. This leads to connector overheating, corrosion buildup (e.g., green or white powder), and poor contact.
Recommended Actions: First, immediately disconnect power and clean the connector using a specialized electrical contact cleaner. For severe corrosion, gently polish the oxidized layer without damaging the plating. Subsequently, inspect and promptly replace the sealing ring to ensure the connector remains dry and clean. Opt for silver-plated or gold-plated connectors with an IP67 or higher protection rating to prevent issues at the source.
Reel Jam and Cable Misalignment
During cable retraction or extension, reel jams, flattened cables, or tangles may occur due to reel malfunction or improper operation, potentially causing motor overload.
Recommended Actions: Immediately halt automatic retraction and switch to manual cable management to eliminate kinks and foreign objects. Conduct regular inspections and maintenance of the reel system. Train operators to maintain a constant speed during cable handling. When procuring cables, prioritize AMP cables featuring anti-twist structural designs, as these products effectively reduce the risk of kinking.
Reduced Insulation Resistance or Breakdown
Damaged cable sheathing, moisture ingress, or prolonged overloading can degrade insulation performance, leading to frequent tripping or even arc discharge, posing significant safety hazards.
Recommended Action: This situation requires a professional electrician’s intervention. After locating the fault with a megohmmeter, repair or replace the damaged section. Routine visual inspections and periodic insulation testing should be strengthened, with particular attention to worn or compressed areas.
Selecting AMP cables with high-quality EPR insulation and TPU outer sheath (such as products from Honest Cable) can effectively enhance protective performance, delay insulation aging, and reduce failure probability.