Pass Seymour® MaxGrip M3 Straight blade plug. Tough nylon construction with crush/impact resistance that exceeds hospital grade and federal specification requirements, arc resistance exceeds UL requirements. Self-hinge swings wide open to make quick, easy work of light, clean connections. Insert conductors into terminals and tighten terminal screws, close hinge housing around cord and tighten housing screws. Enclosed terminals provide solid, internally-clamped connections. Molded finger grips promote safe, sure handling. High-visibility yellow. Hospital Grade version displays the hospital grade green dot.