Using this receptacle from Hubbell Wiring Device-Kellems ensures a solid secure electrical connection. This receptacle has a 5-20r NEMA configuration with a voltage of 125VAC and an amperage of 20. It has 2 poles and 3 wires. It is made of nylon material. This receptacle works with a duplex outlet. A flush mounting allows for utmost usability. It has 1 phase.