How to connect the turn back switch
Recently, smart home and circuit installation have become a hot topic, and many users are confused about the wiring method of "return switch". This article will combine the hot content of the entire network in the past 10 days, analyze the wiring steps of the return switch in detail, and provide relevant data reference.
1. What is a turn back switch?

A return switch (also called a dual control switch) is a switch that can control the same light in two different positions, often used on stairs, hallways, or large rooms. The following is the popular search data on the back switch in the past 10 days across the Internet:
| keywords | Search volume (daily average) | Popular platforms |
|---|---|---|
| Turn back switch wiring method | 1,200 | Baidu, Zhihu |
| Double control switch principle | 800 | Station B, Douyin |
| Intelligent turn back switch | 500 | Taobao, JD.com |
2. Wiring steps for turning back switch
The following is the standard wiring method of the return switch, which is divided into two methods: traditional wiring and intelligent wiring:
| Wiring type | Materials required | steps |
|---|---|---|
| Traditional return switch | Double control switch × 2, wires, lamps | 1. Connect the live wire to the L terminal of the first switch; 2. Cross-connect the L1 and L2 terminals of the two switches; 3. Connect the L terminal of the second switch to the lamp. |
| Intelligent turn back switch | Smart switch×2, wireless gateway | 1. The live wire is connected to the main switch; 2. The secondary switch is paired with the main switch through wireless signals; 3. Set dual control logic through APP. |
3. Frequently Asked Questions
Based on user feedback in the past 10 days, the following are common problems with turnaround switch wiring:
| question | solution |
|---|---|
| The switch cannot control the lights at the same time | Check whether the L1/L2 end is cross-connected correctly |
| Smart switch pairing failed | Reset the switch and make sure the gateway is online |
| Light fixture flickers | Confirm that the zero live wire wiring is correct, or replace the LED driver |
4. Safety precautions
1.Power off operation:Be sure to turn off the main power supply before wiring, and use a battery test pen to confirm that there is no power.
2.Wire specifications: It is recommended to use copper core wire above 1.5mm².
3.Smart switch compatibility: Some old-fashioned lamps need to be equipped with capacitive loads.
5. Latest technology trends
Recent hot spots show that the demand for turnaround switches that support voice control is growing rapidly:
| product type | Market share growth | Represent the brand |
|---|---|---|
| Wi-Fi dual control switch | +35% | Xiaomi, Huawei |
| ZigBee wireless switch | +22% | Aqara, Oribo |
Through the above structured data and detailed instructions, I believe you have mastered the wiring method of the return switch. If you need further help, you can refer to popular tutorial videos on major platforms or consult a professional electrician.
check the details
check the details