770076-1 is a 4-circuit in-line receptacle housing for the 5.0 mm Power Key Connectors (5.0 PKC) wire-to-board connector system. This panel-mount receptacle features a compact design with a mated height of 19.4 mm and is designed with detents for secure contact loading. The connector incorporates a double lock plate for complete contact retention, locking levers surrounded by protective walls to prevent wire tangling, and bubble-release design for potted applications. With a 5.0 mm contact centerline spacing and UL94V-2 flammability rating, this receptacle is recognized by Underwriters Laboratories (File No. E28476) and certified by Canadian Standards Association (File No. LR7189). The 770076-1 is commonly used in power circuits for home appliances, particularly gas appliances, where reliable high-current connections and compact form factors are essential.