Kingsolar&trade; 33ft Mc4 Wire Kit Used for Connect Controller and Multiple Solar Panels Anode and Cathode, Charging Cable, for Solar Panel Length: 10m; Cross Section:10AWG; Cable Color: ,Black/Red E-beam cross-linked compounds, High resistance against UV,ozone and hydrolyzation Flexibility under cold conditiions, High temperature resistance Long usable life,expected usable life over 25 years(90 C) Applicable to all common connectors