Leviton® offers a large selection of 15, 20, 30 and 50 A commercial grade straight blade plugs and connectors, available in a wide variety of features. These rugged performers are moisture, chemical and abuse resistant and they are ideal for indoor and outdoor use. Our EPTR rubber backed plugs and connectors stand up to rough use, protecting against dirt and moisture. The deep slotted, backed out terminal screws draw back wire clamps securely over stripped leads for maximum conductivity.