4mm PV solar cable 1.TUV & UL certificate 2..Electron-beam cross-linked Insulation & Sheath General features:Ambient temperature : -40~+90°CMax. Temperature at Conductor : 120°CElectron beam cross-linked materials do not melt or flow, even at high temperatures.Compact and flexibleFlame retardant, pass flame test on single vertical insulated wires.High resistance against heat, cold, abrasion, UV, ...