Yuba has five wires, which one is the firewire? Which is the zero line? How to connect it to the new switch?

The neutral wire, which is blue or black in most cases, is connected with the turnbuckles of five lamp holders on the left side of the socket under the bathroom.

The live wire, which is red in most cases, is located at the lower right of the socket and connected to the terminals of the three switches.

Yuba switch wiring:?

1, Yuba switch five wires, two-way heating, one-way lighting and one-way exhaust. The remaining one is that the public line is connected to the zero line, and the zero line and the power supply zero line are connected in parallel. ?

2. The four-position switch live wire is respectively connected in parallel with four small switch modules.

3. Two control lines for heating, lighting and exhaust are respectively connected to the wiring holes corresponding to the switches.

Yuba Knowledge Encyclopedia: Generally speaking, the connection mode of Yuba switch is two lights, two lights, a small light in the middle, a fan, one of the five elements of Yuba, one load for each of the other four, the position of Yuba, * * * is connected to zero by wire, the other four lines of Yuba are connected to four control lines, and the live wire is connected to the fifth control line.

There are five wires on the lower switch of Yuba, namely, two-way heating, one-way lighting and one-way exhaust. The remaining one is that the public line is connected to the zero line, and the zero line and the power supply zero line are connected in parallel. The four-position switch live wires are respectively connected in parallel with four small switch modules, and then the two control lines of heating, lighting and exhaust are respectively connected to the corresponding wiring holes.