Leviton 28W81 30 Amp, 120/208 Volt, 3 Phase Y, Locking Plug, Industrial Grade, Grounding, Wetguard, Yellow Santoprene Husk is resistant to oil, acids, alkalis and many industrial solvents NEMA Configuration Number and Rating Molded onto Device Face Deep-Fluted Finger Grips Make for a Firm Grip When Tightening Nut Clear Back Cover on Wiring Module for Easy Inspection of Wired Terminals Nickel-Plated Brass Blades, Contacts, Wiring Screws and Lugs Resist Corrosion