Leviton offers a large selection of 15, 20, 30 and 50 Amp 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're 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 backwire clamps securely over stripped leads for maximum conductivity. 30/50 Amp, 125/250 Volt, Dual Power Vinyl Grounding Angle Plug, Straight Blade, Commercial Grade, Black.Tough thermoplastic shell for long lifeShell and bottom are hinged in front for ease of assemblySolid brass blades with color-coded terminals simplify wiringEach dual combination plug supplied with 30A blades and flat 50A bladeInterchangeable blades eliminate need for stocking different devices