Traditional Culture Encyclopedia - Traditional culture - I want to install another lamp in the room and replace the original switch with a double switch. How to connect the wires?
I want to install another lamp in the room and replace the original switch with a double switch. How to connect the wires?
Figure 1
The picture shows the original electric lamp circuit diagram. There are two lines at the switch, marked A B, marked C at the light switch, marked D at the other end of the light, and marked E at the zero line.
① Connect the two terminals AB of the original switch to the position of the new switch, as shown in the figure, and the original switch is replaced successfully.
② Add a short red wire in the middle. There are two wires in the white line of the new electric lamp, one is connected to the switch, and the other is connected to the black zero line E. Another black wire can also be connected to the D of the old lamp.
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