Fecha de publicación: 21/09/2017 Fuente: Wipo "IOT" Disclosed is an internet of things (IoT) smart home/building automation system (IoT smart system) for cutting off network standby power, the system comprising: a master which performs a hub function and a control function and comprises at least one of communication modules, a power source switching unit, a power source supply/cut-off module, a wired/wireless power transmitting/receiving unit which is a means supplying a wake-up power that causes the operation of various IoT devices, a power source unit, and a router or gateway for connection with an external network and a IoT smart system platform over a cloud; a smart multi-socket which, by connecting with a smart socket (one socket or a multi-socket with multiple sockets) that connects to a conventional power source socket, and connecting IoT devices for which the network standby power is in a cut-off state, receives wake-up power from the master and supplies wake-up power to the IoT devices; IoT devices having a structure so as to cut off the network standby power and the standby power for the devices themselves, and IoT devices for which a power source is always supplied; IoT devices comprising at least one sensor operated by a battery; and a non-IoT smart socket which can connect non-IoT devices to the system.