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Buy Cat 5e and Cat 6 UTP Patch Cable
Unshielded Twisted Pair cable (UTP cable) is a 100 ohm copper cable that consists of 2 to 1800 unshielded twisted pairs surrounded by an outer jacket. They have no metallic shield. This makes the cable small in diameter but unprotected against electrical interference. The twist helps to improve its immunity to electrical noise and EMI.
For horizontal cables, the number of pairs is typically 4 pair as shown below.
For backbone cables, the number of pairs will typically be some increment of 25, because multi-pair UTP cables are constructed in 25-pair binder group. A sample backbone UTP cable is shown below.
UTP cables are mostly used for LAN networks. They can be used for voice, low-speed data, high-speed data, audio and paging systems, and building automation and control systems. UTP cable can be used in both the horizontal and backbone cabling subsystems.
UTP Copper Cable Conductor Size
The copper conductor of both horizontal and backbone UTP cables are either 22 AWG or 24 AWG. 24 AWG is the most common size, but higher-performance cables like Category 6 UTP employ the larger 23 AWG copper wires.
Solid Conductor UTP Cable and Stranded Conductor UTP Cable
1) Solid Conductor UTP Cable
As its name implies, solid conductor UTP cables have a single, solid conducting copper wire as the conductor. In addition to being physically stronger and easier to work with, these larger wires have superior electrical characteristics that remain stable over a wider range of frequencies.
Solid conductor cables have a lower DC resistance and a lower susceptibility to high-frequency effects based on their larger diameters alone. These properties allow solid conductor cables to support longer transmission runs and higher data rates than their stranded cable counterparts.
UTP cables used for both horizontal and backbone applications are typically solid conductor cables.
2) Stranded Conductor UTP Cable
Stranded-conductor UTP cables are typically used as patch cables in either work areas or telecommunication rooms. They are the most common Category-type cables we often directly work with.
Inside the twisted pairs of a stranded cable, each individual conductor is made up of a bundle of smaller-gauge wire strands. These are arranged so that several wires (commonly 6 or 18) surround a single wire at the bundle’s center. The outer wires are wrapped helically around the central wire through a process called stranding. The stranded wires together form a single conductor with an overall diameter about the same as that of a conductor in a solid cable, but with a much smaller conducting area (based on the smaller diameters of the conducting wire strands).
The stranding of the wire conductors serves to protect them, and gives stranded cables their flexibility.
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