20 Ft Cat 5e Cat5e RJ45 Ethernet LAN Network Patch Cable Booted Snag less Black Made of 100% pure copper wire with 50 micron gold plated RJ45 plugs. 24AWG 4pair stranded pure copper. We do not use CCA aluminum wire. Certification: TIA/EIA. RoHS compliant. T-568B standard wiring. Conductor Material/Size: Bare Copper/24AWG. Insulation Material: HDPE. Insulation Thickness: Nominal: 0.186 mm. Insulation Diameter: Nominal: 0.96 mm. Insulation Unaged Elongation: Min. 300%.