Product details:

You won't have to worry about accidental power interruptions with this black/white locking connector from Hubbell Wiring Device-Kellems. This locking connector has a L21-30R configuration with a voltage of 120/208Vac and an amperage of 30. It has 4 poles and 5 wires. It is made of nylon material. It has 3 phases. This has a grade of industrial/commercial. Standards include: FED Spec Ul/csa.