Locking Device Plug, 20A 277/480V, 3-Phase, L19-20P, 4P4W, Polarized, Non-Grounding - Nylon Interior, Thermoplastic Elastomeric Over Glass-Filled Polypropylene Shell, 0.069 Inch Thk Nickel Plated Brass Blade - Yellow
Locking Device Plug, 20A 277/480V, 3-Phase, L19-20P, 4P4W, Polarized, Non-Grounding - Nylon Interior, Thermoplastic Elastomeric Over Glass-Filled Polypropylene Shell, 0.069 Inch Thk Nickel Plated Brass Blade - Yellow