Double-control lamp switch circuit

Published:2012/9/3 21:45:00 Author:Ecco | Keyword: Double-control, lamp switch | From:SeekIC

Dual - control switch is also known as the double switch, it is generally installed in two different places of the up-down layer or aisle, and it can independently control the on-off of the same lamp. The FIG provides three different connections, S1 , S2 are 1 x 2 single pole double throw switch which can independently control the on-off of lamp E. In Figure (b), each switch has the phase line and zero line of power supply, so the installation is more convenient, but it need to pay special attention to the short circuit of phase and zero lines' two ends in maintenance.



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