03 Ago NEMA L21-30P 30 Amp 3-Phase 120/208-Volt 3PY, 5-Wire Locking Male Plug with UL,
Locking-style plug facilitates secure installation. It features a weather-tight seal and strain relief structure with SJT, SJO, SOO, STW, 12/5, 10/5 or 8/5 cables. DIY products have a 1-year limited warranty....