Indoor phone and data cable is manufactured in multiple styles, sizes and pair counts.  This brief article is used to explain the similarities and differences between the different categories of indoor phone wire.
These twisted paired telephone cables are designed for high signal integrity.  In other orders, they transmit phone and data signals such as Ethernet.  […]

There are many different constructions for outside phone cable.  This article is used to explain the most popular styles as well as help identify the correct outside plant cable for your application.
1.  REA Specification PE -22 – PE 22 is an aerial and duct outside plant copper phone cable.  PE-22 uses a solid polyolefin colored insulated, […]