Hubbell Wiring Device-Kellems HBL430C7W Pin & Sleeve Plugs & Connectors; Connector Type: Connector; Pin Configuration: 4; Pin Configuration: 4; Number Of Poles: 3; Number of Poles: 3; Amperage: 30 A; Amperage: 30 A; 30; Color: Red; Voltage: 480 V ac;