Cisco CloudCenter: Get the Hybrid IT Advantage

Unshielded Twisted Pair Cable (UTP)

Definition - What does Unshielded Twisted Pair Cable (UTP) mean?

Unshielded twisted pair (UTP) cables are widely used in the computer and telecommunications industry as Ethernet cables and telephone wires.

In an UTP cable, conductors which form a single circuit are twisted around each other in order to cancel out electromagnetic interference (EMI) from external sources. Unshielded means no additional shielding like meshes or aluminum foil, which add bulk, are used.
UTP cables are often groups of twisted pairs grouped together with color coded insulators, the number of which depends on the purpose.

Techopedia explains Unshielded Twisted Pair Cable (UTP)

An UTP cable is made up of a bundle of twisted pairs. The twisted pairs are small 22- or 24- American Wire Gauge (AWG) sized wires twisted around each other.

The wires are typically made of copper with polyethylene (PE) or FEP insulation which is color coded depending on the application of the cable being made.

For instance, AT&T pioneered the 25-pair color code UTP cable for indoor telephone applications with color-pairs like white-blue, blue-white, white-orange, orange-white and others.

The bundle is often covered with a PE jacket typically colored grey. The two wires carry equal yet opposite signals and the destination of the signal detects the difference between the two.

They are typically used in computer networking such as Ethernet for short-to-medium distances because of their relatively cheap price compared to optical fiber and coaxial cables.

Share this:

Connect with us

Email Newsletter

Join thousands of others with our weekly newsletter

The 4th Era of IT Infrastructure: Superconverged Systems
The 4th Era of IT Infrastructure: Superconverged Systems:
Learn the benefits and limitations of the 3 generations of IT infrastructure – siloed, converged and hyperconverged – and discover how the 4th...
Approaches and Benefits of Network Virtualization
Approaches and Benefits of Network Virtualization:
Businesses today aspire to achieve a software-defined datacenter (SDDC) to enhance business agility and reduce operational complexity. However, the...
Free E-Book: Public Cloud Guide
Free E-Book: Public Cloud Guide:
This white paper is for leaders of Operations, Engineering, or Infrastructure teams who are creating or executing an IT roadmap.
Free Tool: Virtual Health Monitor
Free Tool: Virtual Health Monitor:
Virtual Health Monitor is a free virtualization monitoring and reporting tool for VMware, Hyper-V, RHEV, and XenServer environments.
Free 30 Day Trial – Turbonomic
Free 30 Day Trial – Turbonomic:
Turbonomic delivers an autonomic platform where virtual and cloud environments self-manage in real-time to assure application performance.