Commercial Range and Dryer Power Plug, NEMA 14-30P / NEMA 14-50PProduct Details:Device Type: PlugColor: BlackFace / Body Material: Durable ThermoplasticWiring Method: Back WireAllowable Wire Size: #10-4 GaugeAmperage Rangr: 30 Amp / 50 AmpNumber of Poles: Three PoleContact Material: BrassType: Angled PlugDevice Grade: Heavy-Duty Industrial Specification GradeNEMA Configuration: 14-30P, 14-50PStyle Type: Heavy-Duty Universal Power Angled BodyDesign Type: Straight BladeConnection Type: ScrewNumber og Wires: 4Receptacle Type: Three-Pole, Four-Wire GroundingVoltage Rating: 125 / 250 VoltApplication: Commercial, Range and DryerEatonS21