ELECTRICAL TERMINALS RED BLUE YELLOW WIRE CRIMP CONNECTORS INSULATED MALE FEMALE
Wire Cable Connectors. More information is as follows Yellow are to fit wire sizes 4.0 - 6.0 sq.mm/12-10 AWG. Red are to fit wire sizes 0.5 - 1.5 sq.mm/22-18 AWG. Blue are to fit wire sizes 1.5 - 2.5 sq.mm/14-16 AWG.