NEMA Configuration: NEMA 6-30R 30 Amps 250 Volts AC 3-Prongs straight blade female receptacle

Easy Wire Connection: The receptacle is easy for wire connection. An instruction sheet will be attached to the inner box for users to do wire connections easily. Fastening screws at all four corners make the unit very sturdy

Sturdy Design: Housing is made of impact-resistant nylon with flame retardant UL94-V0, and contacts are made of 100% solid brass to ensure maximum conductivity

Wide Application: Good option as a replacement for a broken or damaged 30 amps receptacle on welder machine or other 220V tools/machines, electric heater, plasma cutter, air compressor