Ballast wiring diagram is a crucial aspect that helps in connecting the circuitry of the ballast to the lamp. Without proper knowledge of ballast wiring, it is impossible to install or replace a ballast. In this article, we will provide a comprehensive guide about ballast wiring diagram, including its types, applications, and installation process.
What is a Ballast?
Before we dive into the ballast wiring diagram, let us first understand what a ballast is. A ballast is a device used to regulate the current flow to the lamps, especially in fluorescent lamps. It limits the current flow to the lamp, preventing it from getting damaged due to overcurrent. A ballast also helps the lamp to start and maintain a stable light output.
There are mainly two types of ballasts – electronic and magnetic. Electronic ballasts are efficient, lightweight, and consume less power. Magnetic ballasts, on the other hand, are bulky, heavy and consume more power. The wiring diagram of both ballasts is different, and we will discuss it in the following sections.
Types of Ballast Wiring Diagrams
There are two types of ballast wiring diagrams – parallel and series. In parallel wiring, the lamps are connected separately to the ballast, and each lamp receives the same voltage. In contrast, in series wiring, the lamps are connected in a chain, and the voltage is divided equally among the lamps.
We will discuss the wiring diagram of each type in detail.
Parallel Wiring Diagram
Parallel wiring diagram is the most common wiring diagram used in fluorescent lamps. In this wiring, each lamp has its own connection to the ballast, and the voltage is the same for each lamp. The wiring diagram of parallel wiring is as follows:
| Wire Color | Function |
|---|---|
| Black | Line |
| White | Neutral |
| Red/Blue/Yellow | Hot |
The black wire is connected to the line, the white wire to the neutral, and the red, blue, or yellow wire to the hot. Also, each lamp has its own connection to the ballast. It is important to note that the wiring diagram of electronic ballast and magnetic ballast is different.
Series Wiring Diagram
Series wiring diagram is used in low power lamps such as T5 lamps. In this wiring, the lamps are connected in a chain, and the voltage is divided equally among the lamps. The wiring diagram of series wiring is as follows:
| Wire Color | Function |
|---|---|
| Black/White | Line |
| Red/Yellow | Hot |
The black or white wire is connected to the line, and the red or yellow wire is connected to the hot. Also, the lamps are connected in a chain, and the voltage is divided equally among the lamps.
Ballast Wiring Diagram Installation Process
Now that we have discussed the ballast wiring diagrams let us understand the installation process. The installation process varies depending on the type of ballast and wiring diagram. However, the general installation process is as follows:
- Step 1: Turn off the power supply
- Step 2: Remove the old ballast
- Step 3: Connect the wires of the new ballast to the wires of the lamp and lamp holders
- Step 4: Turn on the power supply and test the lamp
It is important to follow the manufacturer’s instructions for installation and use only the correct wiring diagram for the particular ballast.
FAQ on Ballast Wiring Diagram
Q1. What is the purpose of ballast wiring diagram?
The ballast wiring diagram helps in connecting the circuitry of the ballast to the lamp. Without proper knowledge of ballast wiring, it is impossible to install or replace a ballast.
Q2. What are the types of ballasts?
The two types of ballasts are electronic and magnetic ballasts.
Q3. What is the difference between parallel and series wiring?
In parallel wiring, each lamp has its own connection to the ballast, and the voltage is the same for each lamp. In series wiring, the lamps are connected in a chain, and the voltage is divided equally among the lamps.
Q4. Can I replace a magnetic ballast with an electronic ballast?
Yes, you can replace a magnetic ballast with an electronic ballast if the wiring diagram is compatible.
Q5. What is the installation process of the ballast?
The installation process varies depending on the type of ballast and wiring diagram. However, the general installation process is turning off the power supply, removing the old ballast, connecting the wires of the new ballast to the wires of the lamp and lamp holders, and testing the lamp.
Conclusion
Ballast wiring diagram is a crucial aspect of connecting the circuitry of the ballast to the lamp. It is important to understand the different types of ballast wiring diagrams and their installation process. By following the instructions, it is easy to install or replace the ballast and ensure the proper functioning of the lamp.
