The hotel's bedside cabinet is equipped with a master switch. How can it be connected?
This switch is a double switch.A double control line is added between the two switches to complete the control requirements.
The answer is as follows. ?Switch A terminal with L hole is a common terminal is connected with the live wire, double control line connected on both sides (two holes generally denoted by L1.L2),Switch B terminal with L hole is connected with the cap line,Two control lines are connected on both sides regardless of positive and negative (two holes are generally expressed by L1.L2).
