Patent ID: 6650029
Filing Date: 2003-11-18
Classification: G08C,H05B

Abstract:
An electrical switching system for controlling an electrical load, comprising:a remote control device capable of being actuated for transmitting a wireless control signal; a control unit having an input for connecting to a current source, an output for connecting to said electrical load, a receiver for receiving said wireless control signal, and a switching device connected in series between said input and said output; and, a remote switch connected in series between a signal source and a switch terminal of said control unit via a conductor, said remote switch being switchable between a first position, wherein said wireless control signal from said signal source is applied to said switch terminal, and a second position, wherein said wireless control signal from said signal source is not applied to said switch terminal, said control unit further comprising means for monitoring said receiver and said switch terminal and means for controlling said switching device for changing a state of electrical connection between said output and said input when either said wireless control signal is received by said receiver or when said wireless control signal on said switch terminal changes for indicating a change of switch position from said first position to said second position, or from said second position to said first position.