Product Description SINGLE TYPE; THERMOPLASTIC NYLON MATERIAL; BLACK COLOR; 5-20R CONFIGURATION; 3 WIRE(S); INDUSTRIAL, SPECIFICATION, HEAVY DUTY GRADE; UL 498, CSA C22.2, NOM 057 APPROVAL; 125 V VOLTAGE RATING; 20 AMPERE CURRENT RATING; SELF GROUNDING; 2 POLE(S) 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, 125 Volt, Industrial Heavy Duty Grade, Single Receptacle, Straight Blade, Self Grounding, Black.