UL,TUV certification,High Quality Solar cable 1.it is in high quality 2.it is certificated by Ul ISO 3.OEM is ... : Uo/U-600/1000 AC, 1800DCTest Voltage: 6500V, 5min, 50HzConductor DC resistance at 20°C≤ 0.795Ω/kmTemp. rating: -40°C ... work with you to solve any issues you may have. High quality solar cable for solar panel system TUV/UL approved