Single control switch and dual control switch difference analysis

For example, if a lamp only needs one switch to control, we can choose a single control switch, but sometimes for convenience, such as the light in the bedroom, we want to open it with a switch at the door of the bedroom, and turn it off with a switch on the bedside. In this way, the switch between the door and the bed of the bedroom must use a dual control switch. In short, the single control is a switch to control one lamp, and the dual control is that both switches can control the same lamp. Dual control can be used instead of single control switch, but single control can not replace dual control.

1. The difference in appearance: the single control switch has only two terminals, and the dual control switch has three terminals.

2. Usage difference: Single control switch refers to one switch to control one lamp. Double control switch refers to controlling the opening and closing of the same lamp in two different places, such as living room, stairs, etc., so that we do not have to After turning off the lights (entry door), it is very convenient to touch the bedroom back to the bedroom.

3. Dual control switch can be used as single control switch, single control switch can not be used as dual control switch. Now dual control switch is very common.

4. Usage difference: Single control switch refers to one switch to control one lamp. Double control switch refers to controlling the opening and closing of the same lamp in two different places, such as living room, stairs, etc., so that we do not have to After turning off the lights (entry door), it is very convenient to touch the bedroom back to the bedroom.

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Label: Single control switch and dual control switch difference analysis

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