Specification Amperage : 20 amps Brand : Leviton BulletPoint1 : Shutter mechanism inside the receptacle blocks access to the contacts unless a two-prong plug is inserted, helping ensure hairpins, keys, etc., will be locked out BulletPoint2 : The SmartlockPro receptacle automatically tests the GFCI every time the RESET button is pushed BulletPoint3 : The GFCI will not reset if the GFCI circuit is not functioning properly BulletPoint4 : Wiring module locks and latches to the receptacle body providing double the connection security BulletPoint5 : Large triple-wipe, brass "T" line contacts on 20A for superior contact and conductivity Color : Black ExternallyAssignedProductIdentifier1 : 078477429129 ExternallyAssignedProductIdentifier2 : 0078477429129 ExternallyAssignedProductIdentifier3 : 00078477429129 ItemName : Leviton MT789-E 20 Amp, 125 Volt, Smartlock Pro, GFCI Receptacle, Tamper Resistant, Black ItemPackageDimensions_Height : 4.572 centimeters ItemPackageDimensions_Length : 10.922 centimeters ItemPackageDimensions_Width : 5.842 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : ground-fault-circuit-interrupter-outlets Manufacturer : Leviton ModelNumber : MT789-E NumberOfItems : 1 PartNumber : MT789-E ProductSiteLaunchDate : 2010-03-04T00:23:58-00:00 UnspscCode : 39121400 Voltage : 125 volts