Tough nylon construction with crush / impact resistance that exceeds hospital grade and Fed Spec 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 and orange, or gray. Hospital Grade version displays the Hospital Grade green dot. For covering patents, see www.legrand.us/patents. Specifications Product Line Pass & Seymour Color Yellow UPC Number 785007237641 Country Of Origin Mexico Application Sector Commercial Standard UL 498 Type Straight Blade Dimensions Product Width US 1.34 in Product Depth US 1.21 in Product Height US 1.83 in Technical Information Number of Wires 3 Amperage 20 A Number of Poles Double Pole Wire Size 18 - 10 AWG Voltage 250.0 V