【Specification】: 30FT 20AWG 3 conductor shielded wire. Rated voltage: 300V.Rated temperature : 80℃/176℉. Cond.resistance: 37.4MAX ohms/km at 20℃, Insulation resistance: >10MΩ/KM20℃, Electric current: 3A. Flame test: FT1, Tensile strength: 1034N/cm2, Material:PVC+Copper+Aluminum. 【Superior Conductivity】: There are 29 strands of 0.15mm pure copper wires inside of each conductor.The conductors are made with 100% pure oxygen-free copper for minimal resistance and maximum signal transmission, outperforming tinned copper or copper-clad aluminum materials. Shielded layers also serve as grounding protection. 【Double Shielding Layer】 : Aluminum foil + braided copper blocks 99% EMI/RFI interference, ideal for sensitive electronics, Industrial Equipment and automotive systems. 【Real 20AWG & Exact Wire Length】: Our conductor OD is 0.94mm that beyonds UL standard of OD 0.812mm, Insulation OD 1.60mm±0.05mm, Insulation minimum average thickness 0.32mm，outer jacket OD 5.6mm±0.3mm. We guarantee that the our wire length is exact same as we described. 【Easy to solder and strip off 】: This pure copper shielded wire ensures effortless soldering and smooth stripping, designed for quick and reliable connections in demanding electrical applications. 【Easy Installation】: The wire flexibility endures repeated bending and twisting, adapts to complex spatial layouts. 【Additonally accessories】: In this package, we offer additionally 18 pcs heat shrink tubes, 4 pcs zip ties and 1pc quick wiring connectors for your convenience. 【Wide Compatibility】 : Perfect for car dashboard modification, 3D printers, security and alarm systems, CNC spindle, stepper motor, sound, home speaker and theaters, signal transmission,etc. UL certified for safety compliance. 20 Gauge 100% Pure Copper 3 Conductor Flexible Shielded Wire 30FT, UL2464 20AWG 3 Core EMI/RFI Shielding Shielded Cable for Automotive, 3D Printer,CNC VFD Spindle, Stepper Motor, Sound, Speaker