Legrand Pass & Seymour L1630P Turnlok Industrial Spec Grade Locking Plug, 30 Amp 3 Phase 480V, NEMA L16-30P, Black/White (1 Count)

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