An electrical connector assembly for a refrigerator door is disclosed. The connector assembly includes a substantially cylindrical plug subassembly and a substantially cylindrical receptacle subassembly that are mateably connectable with one another. Either one or both of the plug and receptacle subassemblies include a front and a rear housing that can be arranged to provide a pre-staging configuration for preassembly of contacts in the connector and a final staging configuration to fully secure the contacts in the subassembly.