November 24th, 2008 
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Tags: cable grade, cable labeling, Category 5, Category 6, Category 6A UTP, Class D cables, higher speed cable, home networking solution, UTP cableThis labeling situation at UTP cable is important to the consumer in two very important ways.
First, do not place too much faith in the cable labeling or cable product family names. Instead, rely upon the field cable tester results for performance to a selected cable grade. Sometimes a link does not pass the labeled performance level, other times the cable performs to a higher grade (when installed with excellent workmanship).
November 24th, 2008 feed 
There is a similarity between older standards and newer standards for a particular designation, such as Category 5, has created situations where a cable manufactured (and labeled) in compliance with an older version of a standard no longer meets the same designation in a new, similarly labeled standard. This is true for the TIA/EIA-568 standard as well as the ISO/IEC 11801 standard.
Category 5 or ISO/IEC c manufactured between 1995 and 1999 generally meet the requirements for TSB67. When TSB95 was published in 1999, most new cable was manufactured to meet those tighter test limits, but the actual cable labeling often did not change in a way that the average person would notice.
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