Black 30A 50A NEMA L14-50P L14-50R US Industrial Power Plug 4Pole Panel Receptacle Connector L14-30R Twist Locked Wiring Socket Type:Nema L14-50P L14-50R L14-30P L14-30R male female Industrial Locking power receptacle socket or plug Voltage: 250VAmps: 50A OR 30A MAX Products Specific...