No of Pair1Conductor22AWG (17X34) / 0.34 mm², Tinned stranded copperInsulationDiameter 0.071 ( 1.80 ), HDPETape ShieldAL Mylar Tape, applied with overlap 25%Drain Wire24AWG (1134), Tinned Annealed CopperJacketDiameter 0.228 ( 5.80 ), PVC, GrayColor CodeBlack/White Stripe + White/Black StripeNom. Conductor DCR 17.2 less /1000ft at 20°C(68°F)Dielectric Withstand VoltageEnduring for under 500V/min in airNom. Characteristic Impedence120 Nom. Velocity of Propagation66%UL Voltage Rating30 V (UL AWM 2919) UL Temperature Rating80 (Operating -15 to 80)UL ComplianceAWM 2919FlammabilityUL 758 VW-1EnvironmentalRoHS Compliance 22AWG 1Pr RS-485 Shielded, Str TC, PE Ins, OS+Drain+TC Brd, PVC Jkt, 120 ohm About KWANGIL