4 Bulb Fluorescent Light Fixture Wiring Diagram

By | August 16, 2023



The world of lighting has seen many advancements over the years, and one of the most commonly used types of lights is the 4 bulb fluorescent light fixture. These fixtures are not only energy-efficient but also provide bright and long-lasting light. However, have you ever wondered how these lights are wired? In this article, we will delve into the wiring diagram of a 4 bulb fluorescent light fixture and unravel the mystery behind its functionality.

The first thing to understand is that a 4 bulb fluorescent light fixture operates on a parallel circuit, meaning each bulb has its own separate wiring. This allows the other bulbs to continue functioning even if one of them burns out. The wiring begins at the electricity source, which is typically a switch or a power outlet. From there, the hot wire is connected to the ballast, which acts as the control center for the fixture. The ballast is responsible for regulating the flow of electricity to the bulbs and providing the necessary voltage to start them up.

Moving on, the next step in the wiring process is connecting the individual wires from the ballast to each bulb. There are two sets of wires, one for the left side of the fixture and one for the right side. These wires are typically color-coded for easy identification. The hot wire from the ballast is connected to the right side wires, while the neutral wire is connected to the left side wires. Finally, grounding wires are attached to each bulb socket, ensuring the safety of the fixture.

In conclusion, the wiring of a 4 bulb fluorescent light fixture may seem complicated, but it follows a simple and efficient design. The parallel circuit ensures that one bulb does not affect the others, making it a reliable lighting option. Understanding the wiring diagram can come in handy when troubleshooting any issues with your fixture. So next time you turn on your 4 bulb fluorescent light, you can appreciate the intricate wiring behind it.


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