How to connect the two wires of the lamp
In daily life, installing or replacing light fixtures is a common home repair task. However, for people who are not familiar with electrical circuits, how to properly connect the two wires of a light can be confusing. This article will detail how to wire the two wires of a lamp and provide structured data to help you better understand.
1. Basic knowledge of the two wires of the lamp

Light fixtures usually have two wires:Live Line (L)andZero line (N). The live wire is the live wire and the neutral wire is the return wire. Connecting these two wires correctly is key to ensuring the lamp works properly and is safe to use.
| Cable color | Function |
|---|---|
| red or brown | Live Line (L) |
| blue or black | Zero line (N) |
2. Wiring steps
Here are the specific steps to connect the two wires of the light:
1.power outage: Before starting operation, be sure to turn off the power switch to ensure safety.
2.Identify wires: Distinguish the live wire and neutral wire according to the colors in the above table.
3.Connect wires: Connect the live wire of the lamp to the live wire of the power supply, and connect the neutral wire to the neutral wire of the power supply. Usually secured with terminal blocks or insulating tape.
4.test: Turn on the power and test whether the lamp is working properly.
| steps | Operation content |
|---|---|
| 1 | power outage |
| 2 | Identify wires |
| 3 | Connect wires |
| 4 | test |
3. Common problems and solutions
During the wiring process, you may encounter some problems. The following are common problems and solutions:
| question | Solution |
|---|---|
| The lamp does not light up | Check whether the wires are connected reversely and reconnect them |
| Wire color does not match | Use a test pen to confirm the live and neutral wires |
| Loose wiring | Re-secure terminal blocks or insulating tape |
4. Safety precautions
Be sure to pay attention to the following safety precautions when wiring:
1.Power off operation: Make sure the power is turned off to avoid the risk of electric shock.
2.Use insulated tools: Use tools with insulated handles to prevent accidental electric shock.
3.avoid short circuit: Make sure the wires are firmly connected to avoid short circuit and fire.
4.Professional help: If you are not familiar with circuits, it is recommended to seek help from a professional electrician.
5. Summary
Properly connecting the two wires of a light is not complicated, but it does require care and caution. Through the introduction and structured data of this article, you can understand the wiring steps and precautions more clearly. I hope this article can help you successfully complete the installation or replacement of light fixtures.
If you have any questions or need further assistance, please feel free to contact us.
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