NEMA L21-20R 20A 3-Phase 120/208V 3PY, 5-Wire Locking Female UL, C-UL Approval in Orange, Ac Works, Mfr#: ASL2120R

This AC WORKS brand NEMA L21-20R wiring device is made of a very durable construction able to withstand impacts, chemicals, and weather. It features a weather-tight seal and strain relief structure with SJT, SJO, SOO, STW, 12/5, 10/5, or bigger cables.