The light switch is an important part of the electric light. It is divided into three types: single control switch, dual control switch and multi-control switch. In order to avoid the installation cost, many people want to install the light switch by themselves. In order to ensure the safety of operation, I must find my professional installation technology. Next, the decoration home network Xiaobian will introduce the wiring steps of the light switch and its installation precautions.
First, the wiring steps of the light switch
1. Double control light switch wiring method: Double control switch wiring Add two double control lines between the two switches. The hole marked with L1 and L2 of the switch A terminal is the common end, connected to the live line, and the double control line is connected to both sides (the two holes are generally indicated by L11 and L22). The hole marked with L of the switch B terminal is a common terminating lamp head line, and the double control line is not divided between the two sides (the two holes are generally indicated by L1 and L2). The neutral line of the lamp is connected in parallel with the power supply neutral.
Steps to detail: First, determine the center point of the dual-control switch. The symmetrical point is called left and right. → The two switches are connected in parallel by two wires. One switch is connected to the live wire, and one switch is directly connected to the control. On the line → connect the center point directly with one wire, connect the electric light to the other end, check whether the live wire and the neutral wire are correctly connected between the switches → It is better to check whether the power supply test circuit is correct, and then check whether the light lamp can achieve dual control → The control method is dangerous, easy to trip, and a little trip, the whole line will have problems.
2, three control light switch wiring method: When installing the three control light switch, everyone should pay attention to figure out how its working principle is specific. Note that the K1, K2, and K3 in the figure below are ordinary switches, but only in different positions. The positions of the live and neutral lines are also clear. In fact, the control is actually only the two switches K1, K3, and the middle K2 is just a midway switch, determine the way of operation by judging the state of K1 and K3. Incidentally, the price of such a switch is very cheap, and generally only needs about 15 to 20 pieces.
Second, the light switch installation precautions
1, the bathroom light switch should be protected cover
In the bathroom, it is also necessary to install a light switch, but the bathroom is different from other areas. The bathroom is a special area because the bathroom is damp, especially when people use hot water in the bathroom, it is very easy to generate some water vapor. It will only adhere to the surface of the wall and will also adhere to the light switch. In fact, there are some safety hazards in the use of light switches in these humid places, and the light switch is also very easy to break.
2, the light switch should do dual control
Considering the ease of use, when installing the light switch, you should do dual control, especially the light switch in the living room and the light switch in the bedroom. The light switch in the living room can be installed at the entrance, and one in the aisle of the living room. So that when people go to the bedroom from the living room to rest, you can turn off the lights in the living room directly in the aisle without having to turn back. The light switch of the bedroom is double controlled, mainly to switch the lights on and off.
Through the above introduction, we must have a certain understanding of the wiring steps of the light switch and its installation precautions. If you want to know more about the light switch, please stay tuned to the home of the decoration.
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