Characteristics of products: Structure: Single bare copper wire, polyethylene (PE) Insulation, two of the twisted pair wire insulation, polyethylene or PVC or low-smoke halogen-free sheathing. Standard: American ANSI/TIA/EIA-568B Applicable to Indoor and outdoor apply to the main trunk line system of open office, Transmission cables considerable level of performance with four pairs. Multi-component bare copper conductors from 24AWG, These bare copper wire with a corresponding group of the pink insulation(color)