Keep your equipment running with this yellow watertight locking plug from Hubbell Wiring Device-Kellems. This watertight locking plug has a L23-20P configuration with a voltage of 347/600VAC and an amperage of 20. It has 4 poles and 5 wires. This watertight locking plug has a moisture, dust and weather resistant. It is made of thermoplastic elastomer, valox material. It has 3 phases. This has a grade of industrial. Standards include: UL, CSA, NSF.