👉 In electrical engineering, a sluice is a device used in water treatment plants to control the flow of water. The primary function of a sluice is to selectively allow certain types of water to pass through or be filtered out depending on their size and shape. A sluice typically consists of a cylindrical or conical hole that is connected to a water pump, which then uses a valve or filter to regulate the flow of water into the system. The purpose of a sluice is to control the rate