Skip to main content

In the world of electrical engineering and power distribution, cables play a critical role in transmitting electricity from one point to another. Among the various types of cables, armoured cables are particularly significant due to their enhanced durability and protection.

This article explores the definition, applications, key features, and benefits of armoured cables, highlighting their importance in modern electrical systems.

What are Armoured Cables?

Armoured cables are specialised electrical cables with a protective metal armour layer surrounding the conductors. This armour provides mechanical protection against physical damage, ensuring the cable’s integrity in harsh environments. The construction of armoured cables typically includes the following components:

  • Conductor: The core of the cable, usually made of copper or aluminium, which conducts electricity.
  • Insulation: A layer of insulating material that surrounds the conductor to prevent electrical leakage.
  • Bedding: A layer that separates the insulation from the armour, providing additional protection and stability.
  • Armour: A layer of metal, often made from steel or aluminium, that protects the cable from mechanical damage.
  • Sheath: The outermost layer that protects the armour from environmental factors such as moisture, chemicals, and UV radiation.

Applications of Armoured Cables 

Armoured cables are used in a wide range of applications across various industries. Their robust construction makes them suitable for environments where standard cables might fail. Key applications include:

1. Underground Installations: Armoured cables are ideal for underground installations, where they are protected from physical damage caused by digging, rodents, or other external factors. They are commonly used for distributing power and data in urban and rural areas.

2. Industrial Environments: In industrial settings, armoured cables are used to supply power to machinery, equipment, and control systems. Their durability makes them suitable for harsh conditions, including exposure to chemicals, oils, and heavy mechanical impacts.

3. Building Wiring: Armoured cables are used in commercial buildings like offices and shopping malls to ensure reliable power distribution.

4. Submarine Cables: Armoured cables are used to transmit electricity and data across bodies of water due to their ability to withstand underwater conditions and protect against marine life and other hazards.

5. Renewable Energy Projects: Armoured cables are employed in renewable energy installations, such as wind and solar farms, where they provide reliable connections between turbines or panels and the power grid.

Key Features of Armoured Cables

Armoured cables possess several features that distinguish them from standard cables. These features contribute to their versatility and reliability in demanding environments:

1. Mechanical Protection: The primary feature of armoured cables is their metal armour, which protects the conductors from physical damage caused by impacts, crushing, and abrasion. This makes them suitable for installations where mechanical stresses are common.

2. Environmental Resistance: Armoured cables are designed to withstand harsh environmental conditions, including exposure to moisture, chemicals, and extreme temperatures. The outer sheath and bedding layers provide additional protection against these factors.

3. Durability: The robust construction of armoured cables ensures long-term reliability and minimal maintenance. This makes them a cost-effective solution for critical applications where downtime is not an option.

4. Versatility: Armoured cables are available in various configurations to meet the specific needs of different applications. They can also be customised with different types of armour and insulation materials.

Benefits of Armoured Cables

The use of armoured cables offers numerous benefits, making them an essential component in many electrical and data transmission systems:

1. Enhanced Safety: The mechanical protection provided by the armour layer reduces the risk of electrical faults and short circuits caused by physical damage. This enhances the overall safety of the installation.

2. Reliability: Armoured cables are designed to withstand harsh conditions and provide reliable performance over their lifespan. This ensures continuous power and data transmission, even in demanding environments.

3. Cost-Effectiveness: Although armoured cables may have a higher initial cost compared to standard cables, their durability and low maintenance requirements result in long-term cost savings. They reduce the need for frequent repairs and replacements.

4. Ease of Installation: Despite their robust construction, armoured cables are relatively easy to install. They can be laid directly in the ground, fixed to walls, or installed in conduits without requiring additional protective measures.

5. Versatile Applications: Armoured cables are suitable for a wide range of applications, from underground and industrial installations to renewable energy projects and building wiring. This versatility makes them a preferred choice for many electrical engineers and contractors.

Conclusion 

Armoured cables are a vital component in modern electrical and data transmission systems, providing enhanced protection and reliability in demanding environments. Their robust construction, environmental resistance, and versatility make them suitable for a wide range of applications, from underground power distribution to industrial machinery and renewable energy projects. By ensuring continuous and safe operation, armoured cables play a crucial role in the efficient and reliable functioning of electrical systems. As technology advances and the demand for durable and resilient cabling solutions grows, the importance of armoured cables in various industries will continue to increase.

At Cable Source, we offer a range of armoured cables for your selection. Additionally, you can find flame retardant cables, offshore power cables, and more. Reach out to us for more information.