Install Bay Ferrules (1/0-gauge, 5-pack) For neat stranded wire termination — available in 8 sizes at Crutchfield
Cable Terminations — iEnergytech
Ferrules for stranded wires | Computer Geekery
electrical - Can stranded wire in a crimp (bootlace) ferrule be used in lieu of a pigtail to terminate to devices that require solid wire? - Home Improvement Stack Exchange