Arrow Hart TR7755W-K Duplex Combination USB Receptacle, 125 VAC Receptacle, 5 VDC USB, 2-Pole, 12 to 14 AWG | The Arrow Hart 3.1 A USB duplex receptacle provides quick and convenient access to charge virtually any electronic component including smart phones, tablets, e-readers, cameras and MP3 players. The specification-grade device is built to withstand the tough demands of the commercial environment while also providing code compliance with 2011 NEC Article 406.12 that requires tamper-resistant receptacles in dwelling units.