| 摘要 |
A mains electrical supply outlet comprising: signal-receiving means to receive an encoded wireless signal; a socket, connectable, in use, to an electricity-consuming device, to supply mains electricity thereto; a controller, powered by mains electricity, to decode said received encoded signal and, in response to said signal, to control switching of electrical power to said socket; and a connection sensor, to sense the connection of an electricity-consuming device to said socket and to disconnect power from said controller in the absence of such a connection. The invention also provides an electrical light switch assembly comprising: a manually operable light switch to control the supply of power to a lighting circuit; a manually operable remote power switch to actuate the transmission of an encoded wireless signal to the aforementioned mains electrical supply outlet. The invention further provides an electrical transmission assembly comprising: a plug suitable for receiving mains electricity; a socket suitable for conveying mains electricity received by the plug; and a manually operable remote power switch to actuate the transmission of an encoded wireless signal to the aforementioned mains electrical supply outlet.
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