6 Common Types of Coaxial Cables

Coaxial cables are commonly used in telecommunications applications. Also known simply as coax cables, they are characterized by the use of a conductive core that’s surrounded by shielding. They are able to carry high-frequency electrical signals. Not all coaxial cables are the same, however. There are many different types of coaxial cables, some of the most common of which are listed below.

#1) Hardline

Hardline is a type of coaxial cable that offers a superior level of protection against signal loss. It’s thicker than most other types of coaxial cables. Hardline coaxial cable still features a conductive core — typically made of copper or aluminum — but it’s designed to withstand extreme environments.

#2) Rigid

Rigid coaxial cable features a conductive core within a separate conductive tube. The two conductors are separated by insulation. It’s used in many of the same telecommunications applications as other types of coaxial cables. Rigid coaxial cables, of course, are stiff and rigid.

#3) Flexible

Flexible coaxial cables are defined by their physical properties. As the name suggests, they are flexible. You can bend flexible coaxial cables without breaking them. The specific materials from which they are made may vary. But all flexible coaxial cables can bend without breaking. This makes them ideal for use in walls, ceilings and other tight spaces.

#4) Semi-Rigid

In addition to rigid and flexible, there’s semi-rigid coaxial cable. It’s essentially a hybrid of rigid and flexible coaxial cables. Semi-rigid coaxial cables are somewhat flexible and somewhat rigid. They will typically retain their shape after being formed, yet you may struggle to bend them manually.

#5) RG-6

When shopping for coaxial cables, you’ll probably come across RG-6. It’s the single most common type of coaxial cable. Cable and satellite television services often use RG-6 coaxial cable. It features a thin and flexible construction that allows for easy installation in residential homes and commercial buildings.

#6) Twinaxial

Twinaxial is a type of coaxial cable that features two conductors. Most other types of coaxial cables, of course, only have a single conductor. Twinaxial coaxial cables are distinguished from other types of coaxial cables by their use of two conductors. They are known as “twinaxial coaxial cables” because the conductors share the same axis.

You’ll need to choose the right type of coaxial cable for the job. Some of the most common types include hardline, rigid, flexible, semi-rigid, RG-6 and twinaxial. Each type features unique characteristics that affect its properties in telecommunications applications.

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