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  • by Brandon Waldrop May 05, 2024 4 min read

    If you’re in the market for new commercial lighting fixtures, you may have come across the term “0-10v dimming”. But what exactly does this mean, and how does it work with today’s LED fixtures?

    In this article, we’ll dive into the world of 0-10v dimming and explain everything you need to know about this popular dimming method.

    What is 0-10v Dimming?

    0-10v dimming is a type of dimming method used for controlling the brightness of LED fixtures. It is an analog dimming method, meaning it uses a continuous signal to adjust the light output, rather than turning the light on and off rapidly like digital dimming methods.

    The “0-10v” refers to the voltage range used to control the dimming. At 0 volts, the light is off, and at 10 volts, the light is at its maximum brightness. Any voltage in between will result in a corresponding light output.

    How Does 0-10v Dimming Work?

    To understand how 0-10v dimming works, let’s break it down into three main components: the dimmer, the driver, and the LED fixture.

    The Dimmer

    The dimmer is the device that controls the voltage sent to the LED fixture. It can be a wall-mounted dimmer, a remote control, or a programmable system. The dimmer sends a voltage signal to the driver, which then adjusts the light output of the fixture.

    The Driver

    The driver is the component that converts the incoming voltage from the dimmer into a current that powers the LED fixture. It also regulates the current to ensure the LED is not damaged by too much or too little power.

    The LED Fixture

    The LED fixture is the light source that is being controlled by the dimmer and driver. It contains an LED driver, which is responsible for converting the incoming current into light.

    Why Use 0-10v Dimming?

    There are several reasons why 0-10v dimming is a popular choice for controlling LED fixtures.

    Smooth Dimming

    One of the main advantages of 0-10v dimming is its ability to provide smooth, continuous dimming. Unlike digital dimming methods, which can cause flickering or sudden changes in light output, 0-10v dimming offers a seamless transition from full brightness to complete darkness.

    Compatibility with Existing Wiring

    Another benefit of 0-10v dimming is its compatibility with existing wiring. Many buildings already have 0-10v wiring in place, making it easy to upgrade to LED fixtures without the need for extensive rewiring.

    Energy Savings

    By dimming LED fixtures, you can save energy and reduce your electricity costs. Dimming a light by 50% can result in a 50% reduction in energy consumption, making 0-10v dimming a great option for energy-conscious businesses.

    How to Wire 0-10v Dimming

    Wiring 0-10v dimming is a relatively simple process, but it’s important to follow the correct steps to ensure proper functionality. Here’s a basic overview of how to wire 0-10v dimming:

    1. Connect the dimmer to a power source using a standard 120v or 277v line.
    2. Connect the dimmer’s “+” and “-” terminals to the “+” and “-” terminals on the driver.
    3. Connect the driver’s “+” and “-” terminals to the “+” and “-” terminals on the LED fixture.

    It’s important to note that the wiring process may vary depending on the specific dimmer and driver being used. Always refer to the manufacturer’s instructions for the correct wiring method.

    Common Issues with 0-10v Dimming

    While 0-10v dimming is a reliable and effective method for controlling LED fixtures, there are a few common issues that may arise.

    Flickering Lights

    If your LED fixtures are flickering when using 0-10v dimming, it could be due to a few different reasons. First, check that all connections are secure and that the wiring is correct. If everything appears to be in order, it could be an issue with the dimmer or driver. Try replacing these components to see if it resolves the issue.

    Inconsistent Dimming

    In some cases, you may notice that the dimming is not consistent across all fixtures. This could be due to variations in the wiring or the quality of the components being used. To ensure consistent dimming, it’s important to use high-quality dimmers and drivers and to follow the correct wiring method.

    0-10v Dimming vs. Other Dimming Methods

    There are several other dimming methods available for LED fixtures, so how does 0-10v dimming compare?

    0-10v Dimming vs. PWM Dimming

    PWM (pulse width modulation) dimming is another popular method for controlling LED fixtures. Unlike 0-10v dimming, which uses a continuous voltage signal, PWM dimming uses a rapid on/off signal to adjust the light output.

    While PWM dimming can provide smooth dimming, it can also cause flickering or buzzing noises. Additionally, PWM dimming requires specialized drivers, whereas 0-10v dimming can work with standard drivers.

    0-10v Dimming vs. DALI Dimming

    DALI (digital addressable lighting interface) dimming is a digital dimming method that uses a two-wire bus to communicate with fixtures. Unlike 0-10v dimming, which can only control the light output, DALI dimming can also control color temperature and other features.

    However, DALI dimming requires specialized wiring and components, making it more complex and expensive to install compared to 0-10v dimming.

    Real-World Examples of 0-10v Dimming

    Many businesses have successfully implemented 0-10v dimming with their LED fixtures. One example is the Marriott Marquis hotel in Washington D.C., which used 0-10v dimming to control the lighting in their ballroom. By dimming the lights when the room was not in use, the hotel was able to save energy and reduce their electricity costs.

    Another example is the University of California, Berkeley, which used 0-10v dimming to control the lighting in their library. By dimming the lights during peak hours, the university was able to save over $100,000 in energy costs per year.


    0-10v dimming is a popular and effective method for controlling the brightness of LED fixtures. It offers smooth dimming, compatibility with existing wiring, and energy savings, making it a great choice for commercial lighting applications.

    By understanding how 0-10v dimming works and following the correct wiring methods, you can easily upgrade your lighting to LED fixtures and enjoy the benefits of this versatile dimming method.

    Brandon Waldrop
    Brandon Waldrop

    Since 2005, I have been a part of the ever evolving lighting industry. Initially, as an inside sales representative at a local showroom catering to contractors and homeowners. Then, I transitioned into an outside sales role with a company specializing in commercial lighting for local businesses. In 2017, I utilized all of my skills and collaborated with Stars and Stripes Lighting. Over the course of 6+ years, my efforts have been focused on creating an e-commerce platform that simplifies the process of finding ideal lighting solutions for customers' projects. "As an outlet away from work, I relish spending quality time with my beloved dogs, engaging in physical activities, and indulging in the excitement of watching sports."

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