Suzhou Ele Mfg Co., Ltd. 4.2 Amp Dual USB Charger, 21 W Duplex Tamper Resistant Outlet R1615D42AA

Tamper-Resistant (TR) Models: Comply with NECrequirements mandating that all 15A and 20A receptacles installed in dwelling units must be listed as tamper-resistant. Shutter mechanism inside the receptacle blocks the access to the contacts unless a two or three prong plug is inserted. | Flame Resistance Material: 5VA flame resistance enclosure material is used for USB receptacles. It can resist burning and withstand heat to prevent fires. | Extremely Low Standby Power Consumption: A USB receptacle features extremely low standby power consumption, which is less than 50mW/h and will help you save more power than the ordinary USB receptacles. | Efficiency Level VI: A USB receptacle reaches up to 87% energy efficiency according to DOE & CEC lab testing, which is higher than the average testing result of most similar products in the market. The higher the energy efficiency, the lower it costs you to charge your devices. | Circuit Protection: The circuit integrates overcurrent protection, overload protection, overvoltage protection, undervoltage protection, short circuit protection, ESD (Electro-Static discharge) protection to protect the USB Receptacle from working in abnormal conditions, which helps keeping both the receptacle and the device safe.