Duplex Charger Receptacle Number of USB Ports 2 USB Charging Capacity 3A @ 5VDC Amps 20 Tamper Resistant Voltage 125VAC Grade Commercial Color White NEMA Configuration 5-20R Number of Poles 2 Number of Wires 3 Phase 1 HP 1 Material of Construction Nylon Wiring Method Back and Side Standards UL/cULus