Commercial grade tamper resistant duplex receptacle with straight blade. Standard AC duplex receptacle with two USB charging ports rated at 3.1 A. Dual 3.1 A USB charging ports charge most compatible electronic devices that charge via a 5 V charger adapter. Three (3) pre-stripped 6 inch wire leads for line, neutral and ground for quick and easy installation. Tamper resistant shutters provide compliance with 2011 NEC® Article 406.12 that states that all 15 and 20 A, 125 V receptacles installed in dwelling units must be tamper resistant. Automatic grounding system eliminates need for bonding jumper in grounded metal enclosure, provides redundant measure of ground continuity where jumper is used. Thermoplastic top and back-body are virtually unbreakable to deliver years of durable performance. Steel mounting strap is zinc-plated for added corrosion resistance. Convenient patented built-in wire strippers speed installations. Triple wipe blade contacts and double wipe ground contacts to insure long-term blade retention.