Grape Solar GS-MC4-1 MC4 Extension Cable, 16" 16 Inch of cable with a male MC4 connector on one end and a female connector on the other end Double-insulated black #10 AWG PV wire UV and moisture resistant Cable can be cut in half to create two cables with MC4 connectors on one end and a bare wire on the other end to allow for the use of a wide range of alternate connectors