Pass Seymour® Industrial specification grade extra heavy-duty duplex receptacle. Back and side wire. One-piece brass mounting strap with integral ground. Strap tabs wrap around and lock down on face to prevent strap from separating from face and back body. Two drive screws anchor strap to back body and face. Exclusive patented feature, circuit label on face allows permanent circuit identification. 0.036 inch thick, brass, triple-wipe power contacts for lasting retention. Easily accessed break-off, line-contact connecting tab for fast, easy split-circuit wiring. Impact-resistant nylon face and back body. Oversized 10 deep tri-drive head brass terminal and ground screws. Exclusive patented feature, external screw-pressure-plate back wire clamp on ground terminal for faster, easier installation. External screw-pressure-plate back wire clamps with 10 brass terminal screws for visual assurance of a good connection. Line terminals accept 10 to 14 AWG stranded or solid copper clad conductors. Auto-ground clip assures positive ground. Corrosion-resistant models have nickel-plated straps and contacts.