Do You Need a Ballast for LED Lights?
Posted by Dara Greaney on 5/23/2017 to
LED Lights
What is a Ballast and Why They are Not Used in LED Lights
When light bulbs were a new invention, a device was placed within the bulbs. The purpose of this device was to limit the amount of current in an electrical circuit. This device is known as a Ballast. If this was not used in the light bulbs and T8 light bulbs (tube Lights), there remained a risk of current rising to a destructive level. Ballast is still used in bulbs and tube lights to avoid current rise in the lights. Metal halide, mercury vapor, and HID are also the prime examples of lights using ballasts.
Today ballasts are going away in favor of LED Drivers.
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