Introduction
Electrical cables are essential for transmitting power and signals in residential, commercial, and industrial buildings. One type of cable that has gained popularity in recent years is armored cable. This article will explore the different types of armored cable, their benefits, and how they are used.
Types of Armored Cable
Armored cable comes in different types that cater to specific applications. The three most common types are:
Steel wire armored (SWA) cable – The most widely used type of armored cable, SWA consists of a core of copper or aluminum conductors, surrounded by insulation and a steel wire armor. Suitable for underground or outdoor installations.
Aluminum wire armored (AWA) cable – Similar to SWA cable, but it uses aluminum wire armor instead of steel wire. Used in corrosive environments or areas with high magnetic fields.
Armored fiber optic cable – Consists of optical fibers surrounded by a layer of aramid yarn and covered by steel or aluminum armor. Used to transmit high-speed data over long distances.
Benefits of Armored Cable
Armored cable offers several advantages over traditional electrical cables:
Physical Protection – Armored cable provides additional protection against physical damage and corrosion, which can extend the lifespan of the cable.
Robust Design – Armored cable can withstand higher levels of mechanical stress and tension, making it reliable for industrial applications.
Fire Resistance – The steel or aluminum armor provides an additional layer of insulation, which can help contain the spread of fire in the event of an electrical fault.
Uses of Armored Cable
Armored cable is used in various applications, including:
Underground Power Transmission – Used to transmit power from the grid to residential or commercial buildings.
Outdoor Lighting – Used to power outdoor lighting fixtures like streetlights, floodlights, and parking lot lights.
Industrial Machinery – Used to power industrial machinery like conveyor systems, motors, and pumps.
Data Transmission – Armored fiber optic cable is used to transmit high-speed data over long distances.
Conclusion
Armored cable is a durable and reliable solution for electrical installations, providing physical protection, robustness, and fire resistance. Its different types cater to specific applications, making it a versatile choice for power transmission, lighting, industrial machinery, and data transmission.