Hubbell nylon receptacle. 20 amperes rated current, 125/250V rated voltage. 3 Pole, 4 wire grounding. Traditional face. Wiring method: back and side. Heavy duty spec grade. Face style: finder groove. 2 1 horsepower. UL listed, File E2186, listed to UL Standard 498, Certified to CSA, C22.2, No. 42. Terminal screw material: #8 32 brass/nickel plated for neutral. Ground screw material: #8 32 silicon bronze green . Nylon top. Base material: reinforced PET. Power contacts material: 0.037 inches 0.9 brass Nickel plated. Mounting strap material: 0.062 inches 1.5 plated steel. Mounting screw material: steel zinc plated. Dielectric voltage withstands: 2,000V minimum. Certified for current interrupting at full rated current. Temperature rise: maximum 30 degree C temperature rise at full rated current after 50 cycles of overload at 150 percent of rated current at a power factor of 75 percent. Terminals identified in accordance with UL498 brass, white, green . Terminal accommodation: #14 #10 AWG copper stranded or solid conductor only. Ratings are a permanent part of the device. Flammability: UL 94 V0. Operating temperature: maximum continuous 75 degree C, minimum 40 degree C without impact . Black color.