Someone at my firm told me that, a particular colour coding of cat 6 cable will help increase the limit of the cable length. I went through books and forums, dint find anything, is this true? and if so wat coding?
Tell your work person that if he colors his car yellow he'll all 30 miles to his top speed.
The only thing that matters with cable color is if a company standardizes on something. For example, they'd use Black cables for a printer connection on a static IP, blue cables for a computer and green for a thin client. Red is commonly used for a cross over cable. But none of that is based on any standards.