The meaning of BALLAST is a heavy substance (such as rocks or water) placed in such a way as to improve stability and control (as of the draft of a ship or the buoyancy of a balloon or …

Ballast is dense material used as a weight to provide stability to a vehicle or structure. Ballast, other than cargo, may be placed in a vehicle, often a ship or the gondola of a balloon or …

Aug 7, 2017 · Learn what a ballast is in a light fixture, how it works, the different types available, and their importance in lighting systems. Discover insights for both residential and commercial …

BALLAST definition: 1. heavy matter such as sand, stone, or water that is used at the bottom of a ship or a hot-air…. Learn more.

An electrical ballast is a device placed in series with a load to limit the amount of current in an electrical circuit.

Feb 24, 2012 · An electronic ballast, also known as an electrical ballast, regulates the initial voltage and current flowing through lighting devices to ensure stable operation.

1. To stabilize or provide with ballast. 2. To fill (a railroad bed) with or as if with ballast.

Jul 8, 2025 · According to the Lighting Research Center, a ballast is a tool used to regulate the amount of current in a circuit. Whenever it’s used in fluorescent lighting, the current is limited …

Feb 23, 2024 · Ballast water is one of the major pathways for the introduction of nonindigenous marine species. Ballast water is fresh or saltwater held in the ballast tanks and cargo holds of …

Mar 14, 2023 · A ballast is a device used with a lamp to obtain the circuit conditions required to start and operate, and it interacts with the lighting fixture itself to control, regulate factors such …