770050-1 is a cap rear component for Universal MATE-N-LOK II connectors designed for 4-circuit in-line power applications. This connector is part of the 5.0 mm Power Key Connectors (5.0 PKC) family, featuring a compact design with 19.4 mm mated height and 5.0 mm contact centerline spacing. The component is constructed with a housing that includes locking levers surrounded by protective walls to prevent tangling with wires, and incorporates design features to release bubbles created during potting processes. The connector is recognized under UL Component Program File No. E28476 and certified by Canadian Standards Association File No. LR7189. This rear cap component is commonly used in power circuit applications for home appliances, particularly gas appliances, where reliable mating and secure connections are essential.