Red connector(23pcs) : Suit Cable / Wire Size 22-18 AWG 0.5-1.5mm2
Blue connector(12pcs) : Suit Cable / Wire Size 16-14 AWG 1.5-2.5mm2
Yellow connector(5pcs) : Suit Cable / Wire Size 12-10 AWG 4.0mm2
White connector(10pcs) : Suit Cable / Wire Size 26-24 AWG 0.25-0.34mm2