PASS & SEYMOUR L1920P 20Amp 277/480V 4-Pole 4-Wire NEMA 19-20P Turnlok Plug , Black Back White Front Body

20 Amp NEMA Plug L1920 - Black Back, White Front Body. FEATURES AND BENEFITS:- Quick-thread assembly screws and cord-grip screws come backed-out, ready-to-wire. - Industrial-strength, brass alloy plug blades and connector contacts resist heat rise, provide excellent conductivity. - Raised ribs provide non-slip gripping profile for turning to lock and unlock. - Double dovetail design provides superior protection against cord pull-out forces. - Impact and corrosion-resistant durable nylon 6 shell material. - Rounded back contour reduces snags and hang-ups on the job site. - Scallop shell design provides non-slip gripping surface for insertion and withdrawal. - Visible stamped NEMA configuration and device rating. - New-design external cord grips provide visible assurance of safe and proper cord retention. - Integral flexible rubber cord grommet conforms to and seals around SO cord to provide protection from oils, water, or chips entering wiring chamber.