This paper presents the design and implementation of an IoT smart power socket. Its main function is to provide services such as remote control, electrical protection, task automations and monitoring through mobile applications using cloud services. In addition, this IoT smart power socket is supported by advanced software tools for time scheduling, grouping power sockets and their operation managements, and analyzing power usage for electric cost optimization. Our system can be used in different domains including smart and remote accessible home automation systems, factory automation systems, security systems and power usage management systems. Prototype of our power sockets are designed with locally controlled sensors and actuators, exchanging information with a common central hub using the Bluetooth protocol to receive commands and send information to the user via the Internet connection.