Power Interrupting Connectors: Connector Type - Power Interrupting Locking; Rating - Amps/Volts - 30A/600VAC, 20A/250VDC; Number of Poles - 4P; Number of Wires - 5W; Ground - Grounding; NEMA - Non-Nema; Cord Diameter - 0.630 - 1.200; Material - Thermoplastic Interior, Nylon Housing; Color - Black; Manufacturer Brand - Hubbellock