520 Piece Electrical Wire Connector Assortment Set with STANLEY STST14021 Sort Master Light Storage Case 520 Piece Wire Connectors with Spring Insert Assortment Comes with Stanley STST14021 Sort Master Light Storage Case Professional Grade Wire Connectors Red, Yellow, and Orange Connectors rated at 600 Volts. Blue and Gray Rated at 300 Volts. Assortment includes 50 Red, 100 Yellow, 120 Orange, 100 Blue, 130 Gray, 10 Red/Yellow Cushion Grip and 10 Orange/Blue Cushion Grip Wire Connectors