Visit the TIA store today. Search for "ANSI/TIA-568.1-E-2020" and purchase the secure PDF. Then, audit your last three cabling projects against the new "E" rules—you might be surprised at what you missed.
In plain English, is the master blueprint for how to build a network’s physical layer. It defines everything from cable types (Cat 6a, Cat 8) to maximum cable lengths, grounding methods, and connector pinouts. ansi tia-568.1-e pdf