Coax Cables also known as a short form for co-axial cables. Coaxial cables are definitely some of the most essential types of cable when powering your home theatre devices, but there are plenty of unique uses for this type of cable.


Coax Cable ConnectorsCoaxial cable is a type of electrical cable that has an inner conductor surrounded by a tubular insulating layer, surrounded by a tubular conducting shield. Many coaxial cables also have an insulating outer sheath or jacket. The term coaxial comes from the inner conductor and the outer shield sharing a geometric axis. Coaxial cable differs from other shielded cables because the dimensions of the cable are controlled to give a precise, constant conductor spacing, which is needed for it to function efficiently as a transmission line. Coaxial cable design choices affect physical size, frequency performance, and attenuation, power handling capabilities, flexibility, strength, and cost. The inner conductor might be solid or stranded; stranded is more flexible.


Coax Cable Connectors 02The most common application for coax cables is running cabling through walls for a TV connection, and these cables can be used for powering your entire home theatre setup, whether you need to transfer digital surround sound to the receiver or amplifier or carry video from a security or remote camera to a DVR. This type of cabling is also regularly used in security applications, including to wire closed-circuit TV (CCTV) and security cameras.


Coax Cable Connectors 03The ends of coaxial cables usually terminate with connectors. Coaxial connectors are designed to maintain a coaxial from across the connection and have the same impedance as the attached cable. Connectors are usually plated with high-conductivity metals such as silver or tarnish-resistant gold. Due to the skin effect, the RF signal is only carried by the plating at higher frequencies and does not penetrate to the connector body.  

Installation of Coaxial Cable

Installing coaxial cable end fittings is not very difficult. It may take a little practice but it is a simple process once you get the hang of it. I suggest that when purchasing coaxial cable end connectors buy a few extra. Once you crimp or compress a coax cable end it can’t be used again.

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