Hubbell HBL hospital grade slender/compact duplex receptacle. Hospital grade devices: to qualify for the hospital grade designation and use of the associated green dot symbol, UL requires that the manufacturer design its devices to perform to specific levels. These levels form an established baseline below which no manufacturer can fall and still carry a green dot. Hubbell sets their standards high Each product is built to withstand the severe conditions of abuse that are unique to the hospital environment Hubbell receptacles have exclusive design features that set them apart from the competition. One piece, nickel plated brass mounting strap with integral ground contacts, along with secondary ground contact, provides superior grounding for low resistance flow of fault currents as well as corrosion resistance. Barbed locking arms keep the face locked in place to diminish potential for face/base separation. Back wired ground screw reduces installation time. Reinforced thermoplastic back provides superior thermal, electrical and mechanical properties by providing contact stability, this high performance material will reduce heat buildup giving you long lasting performance. Exclusive nickel plated bypass contact design increases contact pressure, lowering the operating temperature. Four point grounding system provides redundant grounding for low resistance ground continuity in high abuse areas. High tech reinforced thermoplastic polyester RTP back is tough and heat resistant. External wiring clamps allow for visual inspection of the terminals a unique strand containment feature on the terminal bundles the wire, ensuring 100 percent clamping of wire strands and reducing heat from the termination. Ivory color.