Excel Category 6 U/UTP reduced diameter cables are manufactured and tested to the TIA/EIA 568‐B.2‐1, EN50173‐1 and ISO/ IEC 11801 Category 6 specifications. Each cable consists of 8 colour coded 24 AWG polyethylene insulated conductors. These are twisted together to form 4 pairs with varying lay lengths. These pairs are then formed around a central ‘X’ shaped polyethylene filler. This filler assists in maintaining and enhancing the cable’s performance.