From the Manufacturer
Leviton's line of Extra Heavy-Duty Industrial Grade receptacles are designed and manufactured to withstand the harsh conditions typically associated with industrial environments. Available in a wide variety of configurations, including isolated ground, tamper-resistant, hospital grade, etc., these Industrial Grade devices are the electrical contractor's choice for use in factories, schools, hospitals and commercial office buildings. 20 Amp, 250 Volt, Industrial Heavy Duty Grade, Single Receptacle, Straight Blade, Self Grounding, Red.
20 Amp, 250 Volt, NEMA 6-20R, 2P, 3W, Narrow Body Single Receptacle, Straight Blade, Industrial Grade, Self Grounding, Back & Side Wired, Steel Strap, Made in USA - Red, UPC: 07847746733