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Home > Coax Cables: What You Need to Know

Coax Cables: What You Need to Know

What is Coax Cable? Coax cable, or coaxial cable, is a type of electrical cable that is typically used as a transmission line for radio frequency signals. In most cases, it's made using an inner conductor surrounded by an insulating layer that's flexible, which is in turn surrounded by a conductive layer called a shield, which is flexible, and finally, is contained within a protective insulating shell.

Unlike other cables, coax cables have a unique feature that can make them a better type of transmission line. In this type of cable, the electromagnetic field carrying the signal exists only in the space between the inner and outer conductors. This allows coaxial cable runs to be installed next to metal objects such as gutters without the power losses that occur in other transmission lines. Plus, this innovative design provides protection of the signal from external electromagnetic interference so your connection is never compromised.

How Do Coax Cables Work? Much like your average electrical power cord, coax cable conducts an AC electric current between currents using a basic construction of two conductors, a central wire and a tubular shield. However, unlike electrical cables, coax cables are designed to carry radio frequency current. This has a frequency that's much higher than what's used in many electric power cables. As a result, coax cabless require a unique construction in order to prevent power losses.

How is Coax Cable Used? In many cases, coax cables are used to connect radio transmitters and receivers with their antennas, but there's also uses for coax cable in computer network connections and distributing cable TV signals. Most short coax cables are used to connect home video equipment or are used in ham radio or measurement electronics setups. Longer cables are most commonly used to connect cable TV signals to TV receivers, despite the fact that more and more providers are switching to satellite.

Where Can I Find Coax Cables? If you're looking for bulk coax cable, ValueTechSupply.com is the place to go. Our selection of coax cables is perfect for both businesses and consumers as our coax cables come in varying lengths and sizes.