1Using pure copper as an insert allows electrical signals and currents to reach light transmission speeds and effectively resolve signal distortion. 2The surface is specially processed with unique insulation, oxidation resistance, and wear resistance, and exhibits an excellent shielding effect. 3The exquisite electroplating process can improve conductivity and reduce magnetism, and it has four layers. 4Nylon and fiberglass predecessors work quietly and can improve noise reduction after installation. 5This pure copper goldplated connector plug is compatible for professional audiovisual appliances and passed CE/ROHS/PSE certification. 1 x Pure Copper Female Plug Item Type: Female PlugConductor Material: Pure Copper ( 99.998%)Model: F182GVersion: IEC Female ConnectorElectroplating Process: Oxygen-Free Copper Plating-Electroless Silver Plating-Palladium Plating-24k Gold PlatingConnection Method: Hexagonal ScrewInstallation Cable Diameter: 6mm-18mm/ 0.2- 0.7inInstallation Wire Diameter: Maximum 5.5 mm (10AWG to 17AWG)Rated Value: 25A/250VScope of Application: Professional Audio-Visual Appliances