50 Foot 14-4 AWG Control Cable for Ductless Mini Split Air Conditioner Heat Pump Systems; 14 AWG 4 Conductor Color Coded Stranded 50 Ft 14 gauge 4 Conductor Control Cable for Ductless Mini Split Air Conditioner and Heat Pump Systems (goes between indoor and outdoor units) UL Listed, Contractors Grade, Color Coded, Stranded Design to Fit All Ductless Mini Split Air Conditioner and Heat Pump Systems specifying 4 Conductor Control Cable Black exterior jacket Can be cut for an exact installation