These are known as distribution lines, and can be buried underground in newer neighborhoods or are strung on smaller poles around 40 feet in height. One group consists of smaller, lower-voltage lines (under 30 kV in most situations) which deliver power to homes and businesses. There are typically two types of power lines that make up the grid, which can be divided based on their function. The Difference Between Transmission Lines and Distribution Lines Of course, we shouldn’t leave out the most obvious part of the grid: the wires that actually form the grid itself. From transformers and voltage regulators to line reactors and capacitors, breakers and fuses, and solid-state and specialized mechanical relays, almost every branch of engineering can be found in the power grid. Power plants have to send energy to all of their clients at a constant frequency and voltage (regardless of the demand at any one time), and to do that they need a wide array of equipment. The power grid is a complicated beast, regardless of where you live.
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